2056258065 has 32 divisors (see below), whose sum is σ = 3372880896. Its totient is φ = 1069145280.

The previous prime is 2056257991. The next prime is 2056258067. The reversal of 2056258065 is 5608526502.

It is a happy number.

2056258065 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2056258065 - 2²⁵ = 2022703633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2056258067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375900 + ... + 381330.

It is an arithmetic number, because the mean of its divisors is an integer number (105402528).

Almost surely, 2^2056258065 is an apocalyptic number.

It is an amenable number.

2056258065 is a deficient number, since it is larger than the sum of its proper divisors (1316622831).

2056258065 is a wasteful number, since it uses less digits than its factorization.

2056258065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6069.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 2056258065 is about 45345.9817955241. The cubic root of 2056258065 is about 1271.6254354541.

The spelling of 2056258065 in words is "two billion, fifty-six million, two hundred fifty-eight thousand, sixty-five".