97137589 has 2 divisors, whose sum is σ = 97137590. Its totient is φ = 97137588.

The previous prime is 97137587. The next prime is 97137611. The reversal of 97137589 is 98573179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51236964 + 45900625 = 7158^2 + 6775^2 .

It is a cyclic number.

It is not a de Polignac number, because 97137589 - 2¹ = 97137587 is a prime.

It is a super-2 number, since 2×97137589² = 18871422393465842, which contains 22 as substring.

Together with 97137587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97137587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48568794 + 48568795.

It is an arithmetic number, because the mean of its divisors is an integer number (48568795).

Almost surely, 2^97137589 is an apocalyptic number.

It is an amenable number.

97137589 is a deficient number, since it is larger than the sum of its proper divisors (1).

97137589 is an equidigital number, since it uses as much as digits as its factorization.

97137589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 49.

The square root of 97137589 is about 9855.8403497622. The cubic root of 97137589 is about 459.6872306751.

The spelling of 97137589 in words is "ninety-seven million, one hundred thirty-seven thousand, five hundred eighty-nine".