7999125 has 32 divisors (see below), whose sum is σ = 13523328. Its totient is φ = 4198400.

The previous prime is 7999087. The next prime is 7999151. The reversal of 7999125 is 5219997.

It is not a de Polignac number, because 7999125 - 2¹⁰ = 7998101 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30997 + ... + 31253.

It is an arithmetic number, because the mean of its divisors is an integer number (422604).

Almost surely, 2^7999125 is an apocalyptic number.

7999125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7999125 is a deficient number, since it is larger than the sum of its proper divisors (5524203).

7999125 is a wasteful number, since it uses less digits than its factorization.

7999125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 348 counting only the distinct ones).

The product of its digits is 51030, while the sum is 42.

The square root of 7999125 is about 2828.2724409081. The cubic root of 7999125 is about 199.9927080675.

The spelling of 7999125 in words is "seven million, nine hundred ninety-nine thousand, one hundred twenty-five".