2256370321 has 8 divisors (see below), whose sum is σ = 2263472640. Its totient is φ = 2249278368.

The previous prime is 2256370301. The next prime is 2256370367. The reversal of 2256370321 is 1230736522.

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

It is a cyclic number.

It is not a de Polignac number, because 2256370321 - 2¹¹ = 2256368273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256370301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710880 + ... + 714046.

It is an arithmetic number, because the mean of its divisors is an integer number (282934080).

Almost surely, 2^2256370321 is an apocalyptic number.

It is an amenable number.

2256370321 is a deficient number, since it is larger than the sum of its proper divisors (7102319).

2256370321 is a wasteful number, since it uses less digits than its factorization.

2256370321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 2256370321 is about 47501.2665199571. The cubic root of 2256370321 is about 1311.6061958290.

The spelling of 2256370321 in words is "two billion, two hundred fifty-six million, three hundred seventy thousand, three hundred twenty-one".