97115497 has 2 divisors, whose sum is σ = 97115498. Its totient is φ = 97115496.

The previous prime is 97115423. The next prime is 97115539. The reversal of 97115497 is 79451179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82246761 + 14868736 = 9069^2 + 3856^2 .

It is a cyclic number.

It is not a de Polignac number, because 97115497 - 2²³ = 88726889 is a prime.

It is not a weakly prime, because it can be changed into another prime (97155497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48557748 + 48557749.

It is an arithmetic number, because the mean of its divisors is an integer number (48557749).

Almost surely, 2^97115497 is an apocalyptic number.

It is an amenable number.

97115497 is a deficient number, since it is larger than the sum of its proper divisors (1).

97115497 is an equidigital number, since it uses as much as digits as its factorization.

97115497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 43.

The square root of 97115497 is about 9854.7195292408. The cubic root of 97115497 is about 459.6523791469.

The spelling of 97115497 in words is "ninety-seven million, one hundred fifteen thousand, four hundred ninety-seven".