625575051 has 12 divisors (see below), whose sum is σ = 924623128. Its totient is φ = 407350944.

The previous prime is 625575043. The next prime is 625575073. The reversal of 625575051 is 150575526.

It is a happy number.

625575051 is a `hidden beast` number, since 6 + 2 + 557 + 50 + 51 = 666.

It is not a de Polignac number, because 625575051 - 2³ = 625575043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625574997 and 625575015.

It is not an unprimeable number, because it can be changed into a prime (625575001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 807850 + ... + 808623.

Almost surely, 2^625575051 is an apocalyptic number.

625575051 is a deficient number, since it is larger than the sum of its proper divisors (299048077).

625575051 is a wasteful number, since it uses less digits than its factorization.

625575051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616522 (or 1616519 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The square root of 625575051 is about 25011.4983757471. The cubic root of 625575051 is about 855.2501125258.

The spelling of 625575051 in words is "six hundred twenty-five million, five hundred seventy-five thousand, fifty-one".