97261597 has 2 divisors, whose sum is σ = 97261598. Its totient is φ = 97261596.

The previous prime is 97261579. The next prime is 97261639. The reversal of 97261597 is 79516279.

It is a happy number.

Together with previous prime (97261579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94984516 + 2277081 = 9746^2 + 1509^2 .

It is an emirp because it is prime and its reverse (79516279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97261597 - 2¹¹ = 97259549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97261517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48630798 + 48630799.

It is an arithmetic number, because the mean of its divisors is an integer number (48630799).

Almost surely, 2^97261597 is an apocalyptic number.

It is an amenable number.

97261597 is a deficient number, since it is larger than the sum of its proper divisors (1).

97261597 is an equidigital number, since it uses as much as digits as its factorization.

97261597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 46.

The square root of 97261597 is about 9862.1294353704. The cubic root of 97261597 is about 459.8827631289.

The spelling of 97261597 in words is "ninety-seven million, two hundred sixty-one thousand, five hundred ninety-seven".