625445104 has 10 divisors (see below), whose sum is σ = 1211799920. Its totient is φ = 312722544.

The previous prime is 625445087. The next prime is 625445111. The reversal of 625445104 is 401544526.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19545144 + ... + 19545175.

It is an arithmetic number, because the mean of its divisors is an integer number (121179992).

Almost surely, 2^625445104 is an apocalyptic number.

It is an amenable number.

625445104 is a deficient number, since it is larger than the sum of its proper divisors (586354816).

625445104 is a wasteful number, since it uses less digits than its factorization.

625445104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39090327 (or 39090321 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 625445104 is about 25008.9004956236. The cubic root of 625445104 is about 855.1908897449.

The spelling of 625445104 in words is "six hundred twenty-five million, four hundred forty-five thousand, one hundred four".