612625057 has 12 divisors (see below), whose sum is σ = 674024848. Its totient is φ = 556399800.

The previous prime is 612625031. The next prime is 612625063. The reversal of 612625057 is 750526216.

It is a de Polignac number, because none of the positive numbers 2^k-612625057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612625067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183598 + ... + 186904.

Almost surely, 2^612625057 is an apocalyptic number.

It is an amenable number.

612625057 is a deficient number, since it is larger than the sum of its proper divisors (61399791).

612625057 is a wasteful number, since it uses less digits than its factorization.

612625057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860 (or 4849 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 612625057 is about 24751.2637455141. The cubic root of 612625057 is about 849.3074206152.

The spelling of 612625057 in words is "six hundred twelve million, six hundred twenty-five thousand, fifty-seven".