1625934625 has 16 divisors (see below), whose sum is σ = 2319048576. Its totient is φ = 1114926000.

The previous prime is 1625934613. The next prime is 1625934641. The reversal of 1625934625 is 5264395261.

It is a de Polignac number, because none of the positive numbers 2^k-1625934625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928231 + ... + 929980.

It is an arithmetic number, because the mean of its divisors is an integer number (144940536).

Almost surely, 2^1625934625 is an apocalyptic number.

It is an amenable number.

1625934625 is a deficient number, since it is larger than the sum of its proper divisors (693113951).

1625934625 is an equidigital number, since it uses as much as digits as its factorization.

1625934625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858233 (or 1858223 counting only the distinct ones).

The product of its digits is 388800, while the sum is 43.

The square root of 1625934625 is about 40322.8796714719. The cubic root of 1625934625 is about 1175.8926971932.

The spelling of 1625934625 in words is "one billion, six hundred twenty-five million, nine hundred thirty-four thousand, six hundred twenty-five".