7125256 has 8 divisors (see below), whose sum is σ = 13359870. Its totient is φ = 3562624.

The previous prime is 7125203. The next prime is 7125263. The reversal of 7125256 is 6525217.

It can be written as a sum of positive squares in only one way, i.e., 5522500 + 1602756 = 2350^2 + 1266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445321 + ... + 445336.

Almost surely, 2^7125256 is an apocalyptic number.

It is an amenable number.

7125256 is a deficient number, since it is larger than the sum of its proper divisors (6234614).

7125256 is a wasteful number, since it uses less digits than its factorization.

7125256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890663 (or 890659 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 7125256 is about 2669.3175157707. The cubic root of 7125256 is about 192.4273611357.

It can be divided in two parts, 7125 and 256, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 7125256 in words is "seven million, one hundred twenty-five thousand, two hundred fifty-six".