7966251 has 12 divisors (see below), whose sum is σ = 12183912. Its totient is φ = 4998336.

The previous prime is 7966247. The next prime is 7966253. The reversal of 7966251 is 1526697.

It is not a de Polignac number, because 7966251 - 2² = 7966247 is a prime.

It is a super-2 number, since 2×7966251² = 126922309990002, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7966253) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 25881 + ... + 26186.

It is an arithmetic number, because the mean of its divisors is an integer number (1015326).

Almost surely, 2^7966251 is an apocalyptic number.

7966251 is a deficient number, since it is larger than the sum of its proper divisors (4217661).

7966251 is a wasteful number, since it uses less digits than its factorization.

7966251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52090 (or 52087 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 7966251 is about 2822.4547826316. The cubic root of 7966251 is about 199.7183619195.

The spelling of 7966251 in words is "seven million, nine hundred sixty-six thousand, two hundred fifty-one".