685925522 has 8 divisors (see below), whose sum is σ = 1029012336. Its totient is φ = 342921412.

The previous prime is 685925501. The next prime is 685925557. The reversal of 685925522 is 225529586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8033 + ... + 37899.

It is an arithmetic number, because the mean of its divisors is an integer number (128626542).

Almost surely, 2^685925522 is an apocalyptic number.

685925522 is a deficient number, since it is larger than the sum of its proper divisors (343086814).

685925522 is a wasteful number, since it uses less digits than its factorization.

685925522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41352.

The product of its digits is 432000, while the sum is 44.

The square root of 685925522 is about 26190.1798771982. The cubic root of 685925522 is about 881.9128166284.

The spelling of 685925522 in words is "six hundred eighty-five million, nine hundred twenty-five thousand, five hundred twenty-two".