685032625 has 16 divisors (see below), whose sum is σ = 859248000. Its totient is φ = 545252400.

The previous prime is 685032583. The next prime is 685032641. The reversal of 685032625 is 526230586.

It is a happy number.

It is not a de Polignac number, because 685032625 - 2¹⁵ = 684999857 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 11106 + ... + 38644.

It is an arithmetic number, because the mean of its divisors is an integer number (53703000).

Almost surely, 2^685032625 is an apocalyptic number.

It is an amenable number.

685032625 is a deficient number, since it is larger than the sum of its proper divisors (174215375).

685032625 is a wasteful number, since it uses less digits than its factorization.

685032625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27753 (or 27743 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 685032625 is about 26173.1279177709. The cubic root of 685032625 is about 881.5299765976.

The spelling of 685032625 in words is "six hundred eighty-five million, thirty-two thousand, six hundred twenty-five".