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1310422325 = 5252416893
BaseRepresentation
bin100111000011011…
…0111010100110101
310101022210100111012
41032012313110311
510140432003300
6334010522005
744321256152
oct11606672465
93338710435
101310422325
11612776763
12306a36305
1317b646b34
14c6075229
157a09d435
hex4e1b7535

1310422325 has 6 divisors (see below), whose sum is σ = 1624923714. Its totient is φ = 1048337840.

The previous prime is 1310422319. The next prime is 1310422327. The reversal of 1310422325 is 5232240131.

It can be written as a sum of positive squares in 3 ways, for example, as 101747569 + 1208674756 = 10087^2 + 34766^2 .

It is not a de Polignac number, because 1310422325 - 212 = 1310418229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310422325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310422327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26208422 + ... + 26208471.

It is an arithmetic number, because the mean of its divisors is an integer number (270820619).

Almost surely, 21310422325 is an apocalyptic number.

It is an amenable number.

1310422325 is a deficient number, since it is larger than the sum of its proper divisors (314501389).

1310422325 is an equidigital number, since it uses as much as digits as its factorization.

1310422325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52416903 (or 52416898 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1310422325 is about 36199.7558693425. The cubic root of 1310422325 is about 1094.3017517668.

Adding to 1310422325 its reverse (5232240131), we get a palindrome (6542662456).

The spelling of 1310422325 in words is "one billion, three hundred ten million, four hundred twenty-two thousand, three hundred twenty-five".

Divisors: 1 5 25 52416893 262084465 1310422325