2815313 has 2 divisors, whose sum is σ = 2815314. Its totient is φ = 2815312.

The previous prime is 2815301. The next prime is 2815331. The reversal of 2815313 is 3135182.

Together with next prime (2815331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2798929 + 16384 = 1673^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 2815313 - 2¹² = 2811217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2815343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1407656 + 1407657.

It is an arithmetic number, because the mean of its divisors is an integer number (1407657).

2^2815313 is an apocalyptic number.

It is an amenable number.

2815313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2815313 is an equidigital number, since it uses as much as digits as its factorization.

2815313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 2815313 is about 1677.8894480865. The cubic root of 2815313 is about 141.2024488176.

The spelling of 2815313 in words is "two million, eight hundred fifteen thousand, three hundred thirteen".