1304347625 has 64 divisors (see below), whose sum is σ = 1989212160. Its totient is φ = 833976000.

The previous prime is 1304347601. The next prime is 1304347657. The reversal of 1304347625 is 5267434031.

It is not a de Polignac number, because 1304347625 - 2²⁴ = 1287570409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon 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 63 ways as a sum of consecutive naturals, for example, 1113290 + ... + 1114460.

It is an arithmetic number, because the mean of its divisors is an integer number (31081440).

Almost surely, 2^1304347625 is an apocalyptic number.

It is an amenable number.

1304347625 is a deficient number, since it is larger than the sum of its proper divisors (684864535).

1304347625 is a wasteful number, since it uses less digits than its factorization.

1304347625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 1304347625 is about 36115.7531418078. The cubic root of 1304347625 is about 1092.6081874754.

The spelling of 1304347625 in words is "one billion, three hundred four million, three hundred forty-seven thousand, six hundred twenty-five".