2256613613 has 2 divisors, whose sum is σ = 2256613614. Its totient is φ = 2256613612.

The previous prime is 2256613577. The next prime is 2256613649. The reversal of 2256613613 is 3163166522.

It is a balanced prime because it is at equal distance from previous prime (2256613577) and next prime (2256613649).

It can be written as a sum of positive squares in only one way, i.e., 2085474889 + 171138724 = 45667^2 + 13082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2256613613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256613673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128306806 + 1128306807.

It is an arithmetic number, because the mean of its divisors is an integer number (1128306807).

Almost surely, 2^2256613613 is an apocalyptic number.

It is an amenable number.

2256613613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256613613 is an equidigital number, since it uses as much as digits as its factorization.

2256613613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 2256613613 is about 47503.8273510672. The cubic root of 2256613613 is about 1311.6533352286.

The spelling of 2256613613 in words is "two billion, two hundred fifty-six million, six hundred thirteen thousand, six hundred thirteen".