2315800897 has 2 divisors, whose sum is σ = 2315800898. Its totient is φ = 2315800896.

The previous prime is 2315800871. The next prime is 2315800901. The reversal of 2315800897 is 7980085132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2270427201 + 45373696 = 47649^2 + 6736^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315800897 - 2²⁷ = 2181583169 is a prime.

It is not a weakly prime, because it can be changed into another prime (2315800847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157900448 + 1157900449.

It is an arithmetic number, because the mean of its divisors is an integer number (1157900449).

Almost surely, 2^2315800897 is an apocalyptic number.

It is an amenable number.

2315800897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315800897 is an equidigital number, since it uses as much as digits as its factorization.

2315800897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 2315800897 is about 48122.7690080278. The cubic root of 2315800897 is about 1323.0220202555.

The spelling of 2315800897 in words is "two billion, three hundred fifteen million, eight hundred thousand, eight hundred ninety-seven".