7957291 has 2 divisors, whose sum is σ = 7957292. Its totient is φ = 7957290.

The previous prime is 7957283. The next prime is 7957319. The reversal of 7957291 is 1927597.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7957291 - 2³ = 7957283 is a prime.

It is not a weakly prime, because it can be changed into another prime (7957211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3978645 + 3978646.

It is an arithmetic number, because the mean of its divisors is an integer number (3978646).

Almost surely, 2^7957291 is an apocalyptic number.

7957291 is a deficient number, since it is larger than the sum of its proper divisors (1).

7957291 is an equidigital number, since it uses as much as digits as its factorization.

7957291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39690, while the sum is 40.

The square root of 7957291 is about 2820.8670652833. The cubic root of 7957291 is about 199.6434564278.

The spelling of 7957291 in words is "seven million, nine hundred fifty-seven thousand, two hundred ninety-one".