7951925 has 6 divisors (see below), whose sum is σ = 9860418. Its totient is φ = 6361520.

The previous prime is 7951913. The next prime is 7951949. The reversal of 7951925 is 5291597.

It can be written as a sum of positive squares in 3 ways, for example, as 908209 + 7043716 = 953^2 + 2654^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7951925 is a prime.

It is a super-2 number, since 2×7951925² = 126466222411250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159014 + ... + 159063.

It is an arithmetic number, because the mean of its divisors is an integer number (1643403).

Almost surely, 2^7951925 is an apocalyptic number.

It is an amenable number.

7951925 is a deficient number, since it is larger than the sum of its proper divisors (1908493).

7951925 is a wasteful number, since it uses less digits than its factorization.

7951925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318087 (or 318082 counting only the distinct ones).

The product of its digits is 28350, while the sum is 38.

The square root of 7951925 is about 2819.9157788842. The cubic root of 7951925 is about 199.5985698081.

It can be divided in two parts, 795 and 1925, that multiplied together give a triangular number (1530375 = T₁₇₄₉).

The spelling of 7951925 in words is "seven million, nine hundred fifty-one thousand, nine hundred twenty-five".