97232557 has 4 divisors (see below), whose sum is σ = 102350080. Its totient is φ = 92115036.

The previous prime is 97232533. The next prime is 97232573. The reversal of 97232557 is 75523279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97232557 - 2¹¹ = 97230509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97232587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2558733 + ... + 2558770.

It is an arithmetic number, because the mean of its divisors is an integer number (25587520).

Almost surely, 2^97232557 is an apocalyptic number.

It is an amenable number.

97232557 is a deficient number, since it is larger than the sum of its proper divisors (5117523).

97232557 is a wasteful number, since it uses less digits than its factorization.

97232557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117522.

The product of its digits is 132300, while the sum is 40.

The square root of 97232557 is about 9860.6570267909. The cubic root of 97232557 is about 459.8369885538.

The spelling of 97232557 in words is "ninety-seven million, two hundred thirty-two thousand, five hundred fifty-seven".