2256045261 has 8 divisors (see below), whose sum is σ = 3072061824. Its totient is φ = 1472029440.

The previous prime is 2256045257. The next prime is 2256045263. The reversal of 2256045261 is 1625406522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2256045261 - 2² = 2256045257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256045263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8000020 + ... + 8000301.

It is an arithmetic number, because the mean of its divisors is an integer number (384007728).

Almost surely, 2^2256045261 is an apocalyptic number.

It is an amenable number.

2256045261 is a deficient number, since it is larger than the sum of its proper divisors (816016563).

2256045261 is a wasteful number, since it uses less digits than its factorization.

2256045261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16000371.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2256045261 is about 47497.8448037382. The cubic root of 2256045261 is about 1311.5432080618.

The spelling of 2256045261 in words is "two billion, two hundred fifty-six million, forty-five thousand, two hundred sixty-one".