97657361 has 2 divisors, whose sum is σ = 97657362. Its totient is φ = 97657360.

The previous prime is 97657303. The next prime is 97657403. The reversal of 97657361 is 16375679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53567761 + 44089600 = 7319^2 + 6640^2 .

It is a cyclic number.

It is not a de Polignac number, because 97657361 - 2¹⁰ = 97656337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97657661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48828680 + 48828681.

It is an arithmetic number, because the mean of its divisors is an integer number (48828681).

Almost surely, 2^97657361 is an apocalyptic number.

It is an amenable number.

97657361 is a deficient number, since it is larger than the sum of its proper divisors (1).

97657361 is an equidigital number, since it uses as much as digits as its factorization.

97657361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 44.

The square root of 97657361 is about 9882.1739005140. The cubic root of 97657361 is about 460.5056836526.

The spelling of 97657361 in words is "ninety-seven million, six hundred fifty-seven thousand, three hundred sixty-one".