1304016025 has 24 divisors (see below), whose sum is σ = 1843803864. Its totient is φ = 906316800.

The previous prime is 1304016011. The next prime is 1304016041. The reversal of 1304016025 is 5206104031.

It can be written as a sum of positive squares in 12 ways, for example, as 725709721 + 578306304 = 26939^2 + 24048^2 .

It is not a de Polignac number, because 1304016025 - 2¹⁵ = 1303983257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304015987 and 1304016005.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 112486 + ... + 123535.

It is an arithmetic number, because the mean of its divisors is an integer number (76825161).

Almost surely, 2^1304016025 is an apocalyptic number.

It is an amenable number.

1304016025 is a deficient number, since it is larger than the sum of its proper divisors (539787839).

1304016025 is a wasteful number, since it uses less digits than its factorization.

1304016025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236061 (or 236056 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1304016025 is about 36111.1620555196. The cubic root of 1304016025 is about 1092.5155895679.

The spelling of 1304016025 in words is "one billion, three hundred four million, sixteen thousand, twenty-five".