96931561 has 2 divisors, whose sum is σ = 96931562. Its totient is φ = 96931560.

The previous prime is 96931553. The next prime is 96931567. The reversal of 96931561 is 16513969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96904336 + 27225 = 9844^2 + 165^2 .

It is a cyclic number.

It is not a de Polignac number, because 96931561 - 2³ = 96931553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (96931567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48465780 + 48465781.

It is an arithmetic number, because the mean of its divisors is an integer number (48465781).

Almost surely, 2^96931561 is an apocalyptic number.

It is an amenable number.

96931561 is a deficient number, since it is larger than the sum of its proper divisors (1).

96931561 is an equidigital number, since it uses as much as digits as its factorization.

96931561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 40.

The square root of 96931561 is about 9845.3827249122. The cubic root of 96931561 is about 459.3620030630.

The spelling of 96931561 in words is "ninety-six million, nine hundred thirty-one thousand, five hundred sixty-one".