97713631 has 2 divisors, whose sum is σ = 97713632. Its totient is φ = 97713630.

The previous prime is 97713601. The next prime is 97713653. The reversal of 97713631 is 13631779.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97713631 - 2¹⁷ = 97582559 is a prime.

It is a super-2 number, since 2×97713631² = 19095907366408322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97713601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48856815 + 48856816.

It is an arithmetic number, because the mean of its divisors is an integer number (48856816).

Almost surely, 2^97713631 is an apocalyptic number.

97713631 is a deficient number, since it is larger than the sum of its proper divisors (1).

97713631 is an equidigital number, since it uses as much as digits as its factorization.

97713631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 37.

The square root of 97713631 is about 9885.0205361446. The cubic root of 97713631 is about 460.5941141925.

The spelling of 97713631 in words is "ninety-seven million, seven hundred thirteen thousand, six hundred thirty-one".