2315225137 has 2 divisors, whose sum is σ = 2315225138. Its totient is φ = 2315225136.

The previous prime is 2315225093. The next prime is 2315225147. The reversal of 2315225137 is 7315225132.

2315225137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1301694241 + 1013530896 = 36079^2 + 31836^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315225137 - 2⁷ = 2315225009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2315225099 and 2315225108.

It is not a weakly prime, because it can be changed into another prime (2315225147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157612568 + 1157612569.

It is an arithmetic number, because the mean of its divisors is an integer number (1157612569).

Almost surely, 2^2315225137 is an apocalyptic number.

It is an amenable number.

2315225137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315225137 is an equidigital number, since it uses as much as digits as its factorization.

2315225137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 2315225137 is about 48116.7864367520. The cubic root of 2315225137 is about 1322.9123668599.

The spelling of 2315225137 in words is "two billion, three hundred fifteen million, two hundred twenty-five thousand, one hundred thirty-seven".