331241597 has 2 divisors, whose sum is σ = 331241598. Its totient is φ = 331241596.

The previous prime is 331241569. The next prime is 331241633. The reversal of 331241597 is 795142133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331021636 + 219961 = 18194^2 + 469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331241597 is a prime.

It is a super-2 number, since 2×331241597² = 219441991166220818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331241507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165620798 + 165620799.

It is an arithmetic number, because the mean of its divisors is an integer number (165620799).

Almost surely, 2^331241597 is an apocalyptic number.

It is an amenable number.

331241597 is a deficient number, since it is larger than the sum of its proper divisors (1).

331241597 is an equidigital number, since it uses as much as digits as its factorization.

331241597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 331241597 is about 18200.0438735735. The cubic root of 331241597 is about 691.9079010545.

The spelling of 331241597 in words is "three hundred thirty-one million, two hundred forty-one thousand, five hundred ninety-seven".