2256030561 has 16 divisors (see below), whose sum is σ = 3080284416. Its totient is φ = 1467950736.

The previous prime is 2256030551. The next prime is 2256030589. The reversal of 2256030561 is 1650306522.

It is not a de Polignac number, because 2256030561 - 2⁵ = 2256030529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2256030541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190726 + ... + 202208.

It is an arithmetic number, because the mean of its divisors is an integer number (192517776).

Almost surely, 2^2256030561 is an apocalyptic number.

It is an amenable number.

2256030561 is a deficient number, since it is larger than the sum of its proper divisors (824253855).

2256030561 is a wasteful number, since it uses less digits than its factorization.

2256030561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13052.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2256030561 is about 47497.6900596229. The cubic root of 2256030561 is about 1311.5403594596.

The spelling of 2256030561 in words is "two billion, two hundred fifty-six million, thirty thousand, five hundred sixty-one".