975256507 has 2 divisors, whose sum is σ = 975256508. Its totient is φ = 975256506.

The previous prime is 975256483. The next prime is 975256517. The reversal of 975256507 is 705652579.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 975256507 - 2⁷ = 975256379 is a prime.

It is a super-2 number, since 2×975256507² = 1902250508891682098, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (975256517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487628253 + 487628254.

It is an arithmetic number, because the mean of its divisors is an integer number (487628254).

Almost surely, 2^975256507 is an apocalyptic number.

975256507 is a deficient number, since it is larger than the sum of its proper divisors (1).

975256507 is an equidigital number, since it uses as much as digits as its factorization.

975256507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 661500, while the sum is 46.

The square root of 975256507 is about 31229.0971211145. The cubic root of 975256507 is about 991.6831914515.

The spelling of 975256507 in words is "nine hundred seventy-five million, two hundred fifty-six thousand, five hundred seven".