1325603904 has 56 divisors (see below), whose sum is σ = 3538423200. Its totient is φ = 437950464.

The previous prime is 1325603899. The next prime is 1325603959. The reversal of 1325603904 is 4093065231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8854 + ... + 52245.

Almost surely, 2^1325603904 is an apocalyptic number.

It is an amenable number.

1325603904 is an abundant number, since it is smaller than the sum of its proper divisors (2212819296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325603904 is a wasteful number, since it uses less digits than its factorization.

1325603904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61227 (or 61217 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 1325603904 is about 36408.8437608227. The cubic root of 1325603904 is about 1098.5114587622.

The spelling of 1325603904 in words is "one billion, three hundred twenty-five million, six hundred three thousand, nine hundred four".