2056256701 has 4 divisors (see below), whose sum is σ = 2071266012. Its totient is φ = 2041247392.

The previous prime is 2056256693. The next prime is 2056256717. The reversal of 2056256701 is 1076526502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1639035225 + 417221476 = 40485^2 + 20426^2 .

It is not a de Polignac number, because 2056256701 - 2³ = 2056256693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056256101) 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, 7504450 + ... + 7504723.

It is an arithmetic number, because the mean of its divisors is an integer number (517816503).

Almost surely, 2^2056256701 is an apocalyptic number.

It is an amenable number.

2056256701 is a deficient number, since it is larger than the sum of its proper divisors (15009311).

2056256701 is a wasteful number, since it uses less digits than its factorization.

2056256701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15009310.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 2056256701 is about 45345.9667556002. The cubic root of 2056256701 is about 1271.6251542803.

The spelling of 2056256701 in words is "two billion, fifty-six million, two hundred fifty-six thousand, seven hundred one".