685527425 has 12 divisors (see below), whose sum is σ = 927332016. Its totient is φ = 498565200.

The previous prime is 685527419. The next prime is 685527439. The reversal of 685527425 is 524725586.

It is not a de Polignac number, because 685527425 - 2⁶ = 685527361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1246139 + ... + 1246688.

It is an arithmetic number, because the mean of its divisors is an integer number (77277668).

Almost surely, 2^685527425 is an apocalyptic number.

It is an amenable number.

685527425 is a deficient number, since it is larger than the sum of its proper divisors (241804591).

685527425 is a wasteful number, since it uses less digits than its factorization.

685527425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492848 (or 2492843 counting only the distinct ones).

The product of its digits is 672000, while the sum is 44.

The square root of 685527425 is about 26182.5786545176. The cubic root of 685527425 is about 881.7421689520.

The spelling of 685527425 in words is "six hundred eighty-five million, five hundred twenty-seven thousand, four hundred twenty-five".