7931825 has 12 divisors (see below), whose sum is σ = 10729968. Its totient is φ = 5768400.

The previous prime is 7931813. The next prime is 7931831. The reversal of 7931825 is 5281397.

It is not a de Polignac number, because 7931825 - 2¹⁶ = 7866289 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, 14147 + ... + 14696.

It is an arithmetic number, because the mean of its divisors is an integer number (894164).

Almost surely, 2^7931825 is an apocalyptic number.

It is an amenable number.

7931825 is a deficient number, since it is larger than the sum of its proper divisors (2798143).

7931825 is a wasteful number, since it uses less digits than its factorization.

7931825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28864 (or 28859 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 7931825 is about 2816.3495876755. The cubic root of 7931825 is about 199.4302534858.

The spelling of 7931825 in words is "seven million, nine hundred thirty-one thousand, eight hundred twenty-five".