1625404364 has 12 divisors (see below), whose sum is σ = 2845167864. Its totient is φ = 812499264.

The previous prime is 1625404283. The next prime is 1625404427. The reversal of 1625404364 is 4634045261.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31934 + ... + 65349.

It is an arithmetic number, because the mean of its divisors is an integer number (237097322).

Almost surely, 2^1625404364 is an apocalyptic number.

It is an amenable number.

1625404364 is a deficient number, since it is larger than the sum of its proper divisors (1219763500).

1625404364 is a wasteful number, since it uses less digits than its factorization.

1625404364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101464 (or 101462 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 1625404364 is about 40316.3039476587. The cubic root of 1625404364 is about 1175.7648532189.

The spelling of 1625404364 in words is "one billion, six hundred twenty-five million, four hundred four thousand, three hundred sixty-four".