625406245 has 32 divisors (see below), whose sum is σ = 791368704. Its totient is φ = 473894400.

The previous prime is 625406231. The next prime is 625406267. The reversal of 625406245 is 542604526.

It is not a de Polignac number, because 625406245 - 2²³ = 617017637 is a prime.

It is a super-2 number, since 2×625406245² = 782265942570000050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625406245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2225505 + ... + 2225785.

It is an arithmetic number, because the mean of its divisors is an integer number (24730272).

Almost surely, 2^625406245 is an apocalyptic number.

It is an amenable number.

625406245 is a deficient number, since it is larger than the sum of its proper divisors (165962459).

625406245 is a wasteful number, since it uses less digits than its factorization.

625406245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 625406245 is about 25008.1235801489. The cubic root of 625406245 is about 855.1731783311.

The spelling of 625406245 in words is "six hundred twenty-five million, four hundred six thousand, two hundred forty-five".