2315601397 has 2 divisors, whose sum is σ = 2315601398. Its totient is φ = 2315601396.

The previous prime is 2315601359. The next prime is 2315601427. The reversal of 2315601397 is 7931065132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2084287716 + 231313681 = 45654^2 + 15209^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315601397 - 2²⁷ = 2181383669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2315601347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157800698 + 1157800699.

It is an arithmetic number, because the mean of its divisors is an integer number (1157800699).

Almost surely, 2^2315601397 is an apocalyptic number.

It is an amenable number.

2315601397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315601397 is an equidigital number, since it uses as much as digits as its factorization.

2315601397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 2315601397 is about 48120.6961400186. The cubic root of 2315601397 is about 1322.9840275719.

The spelling of 2315601397 in words is "two billion, three hundred fifteen million, six hundred one thousand, three hundred ninety-seven".