2515321373 has 2 divisors, whose sum is σ = 2515321374. Its totient is φ = 2515321372.

The previous prime is 2515321363. The next prime is 2515321381. The reversal of 2515321373 is 3731235152.

2515321373 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., 2194266649 + 321054724 = 46843^2 + 17918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2515321373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2515321363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257660686 + 1257660687.

It is an arithmetic number, because the mean of its divisors is an integer number (1257660687).

Almost surely, 2^2515321373 is an apocalyptic number.

It is an amenable number.

2515321373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515321373 is an equidigital number, since it uses as much as digits as its factorization.

2515321373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 32.

The square root of 2515321373 is about 50152.9797021074. The cubic root of 2515321373 is about 1359.9757372041.

The spelling of 2515321373 in words is "two billion, five hundred fifteen million, three hundred twenty-one thousand, three hundred seventy-three".