2256313 has 2 divisors, whose sum is σ = 2256314. Its totient is φ = 2256312.

The previous prime is 2256311. The next prime is 2256341. The reversal of 2256313 is 3136522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1951609 + 304704 = 1397^2 + 552^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256313 - 2¹ = 2256311 is a prime.

Together with 2256311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2256311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128156 + 1128157.

It is an arithmetic number, because the mean of its divisors is an integer number (1128157).

2^2256313 is an apocalyptic number.

It is an amenable number.

2256313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256313 is an equidigital number, since it uses as much as digits as its factorization.

2256313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 22.

The square root of 2256313 is about 1502.1028593275. The cubic root of 2256313 is about 131.1595089021.

The spelling of 2256313 in words is "two million, two hundred fifty-six thousand, three hundred thirteen".