7975291 has 2 divisors, whose sum is σ = 7975292. Its totient is φ = 7975290.

The previous prime is 7975271. The next prime is 7975309. The reversal of 7975291 is 1925797.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7975291 - 2⁹ = 7974779 is a prime.

It is not a weakly prime, because it can be changed into another prime (7975241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3987645 + 3987646.

It is an arithmetic number, because the mean of its divisors is an integer number (3987646).

Almost surely, 2^7975291 is an apocalyptic number.

7975291 is a deficient number, since it is larger than the sum of its proper divisors (1).

7975291 is an equidigital number, since it uses as much as digits as its factorization.

7975291 is an odious number, because the sum of its binary digits is odd.

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

The square root of 7975291 is about 2824.0557714040. The cubic root of 7975291 is about 199.7938793110.

The spelling of 7975291 in words is "seven million, nine hundred seventy-five thousand, two hundred ninety-one".