975735641 has 2 divisors, whose sum is σ = 975735642. Its totient is φ = 975735640.

The previous prime is 975735637. The next prime is 975735667. The reversal of 975735641 is 146537579.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 910772041 + 64963600 = 30179^2 + 8060^2 .

It is a cyclic number.

It is not a de Polignac number, because 975735641 - 2² = 975735637 is a prime.

It is a super-2 number, since 2×975735641² = 1904120082235361762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (975731641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487867820 + 487867821.

It is an arithmetic number, because the mean of its divisors is an integer number (487867821).

Almost surely, 2^975735641 is an apocalyptic number.

It is an amenable number.

975735641 is a deficient number, since it is larger than the sum of its proper divisors (1).

975735641 is an equidigital number, since it uses as much as digits as its factorization.

975735641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 47.

The square root of 975735641 is about 31236.7674543958. The cubic root of 975735641 is about 991.8455662866.

The spelling of 975735641 in words is "nine hundred seventy-five million, seven hundred thirty-five thousand, six hundred forty-one".