979925 has 12 divisors (see below), whose sum is σ = 1279680. Its totient is φ = 742320.

The previous prime is 979921. The next prime is 979949. The reversal of 979925 is 529979.

It is not a de Polignac number, because 979925 - 2² = 979921 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 979925.

It is not an unprimeable number, because it can be changed into a prime (979921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557 + ... + 1506.

It is an arithmetic number, because the mean of its divisors is an integer number (106640).

2⁹⁷⁹⁹²⁵ is an apocalyptic number.

979925 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

979925 is a deficient number, since it is larger than the sum of its proper divisors (299755).

979925 is a wasteful number, since it uses less digits than its factorization.

979925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092 (or 2087 counting only the distinct ones).

The product of its digits is 51030, while the sum is 41.

The square root of 979925 is about 989.9116122160. The cubic root of 979925 is about 99.3263048743.

The spelling of 979925 in words is "nine hundred seventy-nine thousand, nine hundred twenty-five".