2515319 has 2 divisors, whose sum is σ = 2515320. Its totient is φ = 2515318.

The previous prime is 2515313. The next prime is 2515321. The reversal of 2515319 is 9135152.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2515319 is a prime.

It is a super-2 number, since 2×2515319² = 12653659343522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2515321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2515313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257659 + 1257660.

It is an arithmetic number, because the mean of its divisors is an integer number (1257660).

2^2515319 is an apocalyptic number.

2515319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515319 is an equidigital number, since it uses as much as digits as its factorization.

2515319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 26.

The square root of 2515319 is about 1585.9757249088. The cubic root of 2515319 is about 135.9975309529.

The spelling of 2515319 in words is "two million, five hundred fifteen thousand, three hundred nineteen".