2256535013 has 2 divisors, whose sum is σ = 2256535014. Its totient is φ = 2256535012.

The previous prime is 2256534989. The next prime is 2256535033. The reversal of 2256535013 is 3105356522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2256535009 + 4 = 47503^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256535013 - 2⁶ = 2256534949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256535033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128267506 + 1128267507.

It is an arithmetic number, because the mean of its divisors is an integer number (1128267507).

Almost surely, 2^2256535013 is an apocalyptic number.

It is an amenable number.

2256535013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256535013 is an equidigital number, since it uses as much as digits as its factorization.

2256535013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 2256535013 is about 47503.0000421026. Note that the first 4 decimals coincide. The cubic root of 2256535013 is about 1311.6381063404.

The spelling of 2256535013 in words is "two billion, two hundred fifty-six million, five hundred thirty-five thousand, thirteen".