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1025411225 = 5241016449
BaseRepresentation
bin111101000111101…
…000100010011001
32122110111021202112
4331013220202121
54100001124400
6245430042105
734260565046
oct7507504231
92573437675
101025411225
114868aa6a3
122474a9335
13134596607
149a2841cd
1560050835
hex3d1e8899

1025411225 has 6 divisors (see below), whose sum is σ = 1271509950. Its totient is φ = 820328960.

The previous prime is 1025411213. The next prime is 1025411227. The reversal of 1025411225 is 5221145201.

1025411225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 7546009 + 1017865216 = 2747^2 + 31904^2 .

It is not a de Polignac number, because 1025411225 - 214 = 1025394841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1025411225.

It is not an unprimeable number, because it can be changed into a prime (1025411227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20508200 + ... + 20508249.

It is an arithmetic number, because the mean of its divisors is an integer number (211918325).

Almost surely, 21025411225 is an apocalyptic number.

It is an amenable number.

1025411225 is a deficient number, since it is larger than the sum of its proper divisors (246098725).

1025411225 is an equidigital number, since it uses as much as digits as its factorization.

1025411225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41016459 (or 41016454 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1025411225 is about 32022.0427986723. The cubic root of 1025411225 is about 1008.3996565593.

Adding to 1025411225 its reverse (5221145201), we get a palindrome (6246556426).

The spelling of 1025411225 in words is "one billion, twenty-five million, four hundred eleven thousand, two hundred twenty-five".

Divisors: 1 5 25 41016449 205082245 1025411225