2256703013 has 2 divisors, whose sum is σ = 2256703014. Its totient is φ = 2256703012.

The previous prime is 2256702989. The next prime is 2256703039. The reversal of 2256703013 is 3103076522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1497535204 + 759167809 = 38698^2 + 27553^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256703013 - 2²⁰ = 2255654437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256793013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128351506 + 1128351507.

It is an arithmetic number, because the mean of its divisors is an integer number (1128351507).

Almost surely, 2^2256703013 is an apocalyptic number.

It is an amenable number.

2256703013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256703013 is an equidigital number, since it uses as much as digits as its factorization.

2256703013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 2256703013 is about 47504.7683185593. The cubic root of 2256703013 is about 1311.6706562059.

Adding to 2256703013 its reverse (3103076522), we get a palindrome (5359779535).

The spelling of 2256703013 in words is "two billion, two hundred fifty-six million, seven hundred three thousand, thirteen".