7951225 has 24 divisors (see below), whose sum is σ = 10320768. Its totient is φ = 6072000.

The previous prime is 7951213. The next prime is 7951243. The reversal of 7951225 is 5221597.

It is not a de Polignac number, because 7951225 - 2⁵ = 7951193 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

Its product of digits (6300) is a multiple of the sum of its prime factors (225).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78675 + ... + 78775.

It is an arithmetic number, because the mean of its divisors is an integer number (430032).

Almost surely, 2^7951225 is an apocalyptic number.

It is an amenable number.

7951225 is a deficient number, since it is larger than the sum of its proper divisors (2369543).

7951225 is a wasteful number, since it uses less digits than its factorization.

7951225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 220 counting only the distinct ones).

The product of its digits is 6300, while the sum is 31.

The square root of 7951225 is about 2819.7916589706. The cubic root of 7951225 is about 199.5927128154.

The spelling of 7951225 in words is "seven million, nine hundred fifty-one thousand, two hundred twenty-five".