685280325 has 24 divisors (see below), whose sum is σ = 1139802048. Its totient is φ = 363287680.

The previous prime is 685280279. The next prime is 685280329. The reversal of 685280325 is 523082586.

It is not a de Polignac number, because 685280325 - 2¹¹ = 685278277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685280329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14832 + ... + 39881.

It is an arithmetic number, because the mean of its divisors is an integer number (47491752).

Almost surely, 2^685280325 is an apocalyptic number.

It is an amenable number.

685280325 is a deficient number, since it is larger than the sum of its proper divisors (454521723).

685280325 is a wasteful number, since it uses less digits than its factorization.

685280325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54893 (or 54888 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 685280325 is about 26177.8594426664. The cubic root of 685280325 is about 881.6362141958.

The spelling of 685280325 in words is "six hundred eighty-five million, two hundred eighty thousand, three hundred twenty-five".