985915725 has 48 divisors (see below), whose sum is σ = 1675767744. Its totient is φ = 511168000.

The previous prime is 985915709. The next prime is 985915747. The reversal of 985915725 is 527519589.

It is not a de Polignac number, because 985915725 - 2⁴ = 985915709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1509499 + ... + 1510151.

It is an arithmetic number, because the mean of its divisors is an integer number (34911828).

Almost surely, 2^985915725 is an apocalyptic number.

It is an amenable number.

985915725 is a deficient number, since it is larger than the sum of its proper divisors (689852019).

985915725 is a wasteful number, since it uses less digits than its factorization.

985915725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198 (or 1193 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 51.

The square root of 985915725 is about 31399.2949761615. The cubic root of 985915725 is about 995.2830268146.

The spelling of 985915725 in words is "nine hundred eighty-five million, nine hundred fifteen thousand, seven hundred twenty-five".