625480642 has 16 divisors (see below), whose sum is σ = 971168760. Its totient is φ = 301771008.

The previous prime is 625480637. The next prime is 625480649. The reversal of 625480642 is 246084526.

It can be written as a sum of positive squares in 4 ways, for example, as 588014001 + 37466641 = 24249^2 + 6121^2 .

It is not an unprimeable number, because it can be changed into a prime (625480649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167338 + ... + 171034.

Almost surely, 2^625480642 is an apocalyptic number.

625480642 is a deficient number, since it is larger than the sum of its proper divisors (345688118).

625480642 is a wasteful number, since it uses less digits than its factorization.

625480642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6645.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 625480642 is about 25009.6109925764. The cubic root of 625480642 is about 855.2070868489.

The spelling of 625480642 in words is "six hundred twenty-five million, four hundred eighty thousand, six hundred forty-two".