2256580763 has 4 divisors (see below), whose sum is σ = 2257288488. Its totient is φ = 2255873040.

The previous prime is 2256580759. The next prime is 2256580787. The reversal of 2256580763 is 3670856522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3670856522 = 2 ⋅1835428261.

It is a cyclic number.

It is not a de Polignac number, because 2256580763 - 2² = 2256580759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256580063) 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, 349058 + ... + 355463.

It is an arithmetic number, because the mean of its divisors is an integer number (564322122).

Almost surely, 2^2256580763 is an apocalyptic number.

2256580763 is a deficient number, since it is larger than the sum of its proper divisors (707725).

2256580763 is an equidigital number, since it uses as much as digits as its factorization.

2256580763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707724.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 2256580763 is about 47503.4815881952. The cubic root of 2256580763 is about 1311.6469705263.

The spelling of 2256580763 in words is "two billion, two hundred fifty-six million, five hundred eighty thousand, seven hundred sixty-three".