2256712637 has 4 divisors (see below), whose sum is σ = 2265703776. Its totient is φ = 2247721500.

The previous prime is 2256712609. The next prime is 2256712649. The reversal of 2256712637 is 7362176522.

2256712637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2256712637 - 2²⁴ = 2239935421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2256712594 and 2256712603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256712687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4495193 + ... + 4495694.

It is an arithmetic number, because the mean of its divisors is an integer number (566425944).

Almost surely, 2^2256712637 is an apocalyptic number.

It is an amenable number.

2256712637 is a deficient number, since it is larger than the sum of its proper divisors (8991139).

2256712637 is an equidigital number, since it uses as much as digits as its factorization.

2256712637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8991138.

The product of its digits is 211680, while the sum is 41.

The square root of 2256712637 is about 47504.8696135459. The cubic root of 2256712637 is about 1311.6725207993.

The spelling of 2256712637 in words is "two billion, two hundred fifty-six million, seven hundred twelve thousand, six hundred thirty-seven".