2256845357 has 16 divisors (see below), whose sum is σ = 2462685120. Its totient is φ = 2055706752.

The previous prime is 2256845341. The next prime is 2256845401. The reversal of 2256845357 is 7535486522.

It is a cyclic number.

It is not a de Polignac number, because 2256845357 - 2⁴ = 2256845341 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 (2256845317) 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, 677498 + ... + 680820.

It is an arithmetic number, because the mean of its divisors is an integer number (153917820).

Almost surely, 2^2256845357 is an apocalyptic number.

It is an amenable number.

2256845357 is a deficient number, since it is larger than the sum of its proper divisors (205839763).

2256845357 is a wasteful number, since it uses less digits than its factorization.

2256845357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012.

The product of its digits is 2016000, while the sum is 47.

The square root of 2256845357 is about 47506.2665024310. The cubic root of 2256845357 is about 1311.6982339777.

The spelling of 2256845357 in words is "two billion, two hundred fifty-six million, eight hundred forty-five thousand, three hundred fifty-seven".