1304013245 has 8 divisors (see below), whose sum is σ = 1565154360. Its totient is φ = 1042984960.

The previous prime is 1304013229. The next prime is 1304013257. The reversal of 1304013245 is 5423104031.

It can be written as a sum of positive squares in 4 ways, for example, as 140043556 + 1163969689 = 11834^2 + 34117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1304013245 - 2⁴ = 1304013229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1304013245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260 + ... + 51069.

It is an arithmetic number, because the mean of its divisors is an integer number (195644295).

Almost surely, 2^1304013245 is an apocalyptic number.

It is an amenable number.

1304013245 is a deficient number, since it is larger than the sum of its proper divisors (261141115).

1304013245 is an equidigital number, since it uses as much as digits as its factorization.

1304013245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56415.

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

The square root of 1304013245 is about 36111.1235632457. The cubic root of 1304013245 is about 1092.5148131982.

Adding to 1304013245 its reverse (5423104031), we get a palindrome (6727117276).

The spelling of 1304013245 in words is "one billion, three hundred four million, thirteen thousand, two hundred forty-five".