975745331 has 6 divisors (see below), whose sum is σ = 1072513596. Its totient is φ = 887041100.

The previous prime is 975745319. The next prime is 975745343. The reversal of 975745331 is 133547579.

It is an interprime number because it is at equal distance from previous prime (975745319) and next prime (975745343).

It is a de Polignac number, because none of the positive numbers 2^k-975745331 is a prime.

It is a super-2 number, since 2×975745331² = 1904157901936599122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (975945331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4031885 + ... + 4032126.

It is an arithmetic number, because the mean of its divisors is an integer number (178752266).

Almost surely, 2^975745331 is an apocalyptic number.

975745331 is a deficient number, since it is larger than the sum of its proper divisors (96768265).

975745331 is a wasteful number, since it uses less digits than its factorization.

975745331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8064033 (or 8064022 counting only the distinct ones).

The product of its digits is 396900, while the sum is 44.

The square root of 975745331 is about 31236.9225596889. The cubic root of 975745331 is about 991.8488496048.

The spelling of 975745331 in words is "nine hundred seventy-five million, seven hundred forty-five thousand, three hundred thirty-one".