2256140983 has 4 divisors (see below), whose sum is σ = 2259822088. Its totient is φ = 2252459880.

The previous prime is 2256140977. The next prime is 2256140987. The reversal of 2256140983 is 3890416522.

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

It is a cyclic number.

It is not a de Polignac number, because 2256140983 - 2⁵ = 2256140951 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 (2256140987) 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, 1839633 + ... + 1840858.

It is an arithmetic number, because the mean of its divisors is an integer number (564955522).

Almost surely, 2^2256140983 is an apocalyptic number.

2256140983 is a deficient number, since it is larger than the sum of its proper divisors (3681105).

2256140983 is an equidigital number, since it uses as much as digits as its factorization.

2256140983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681104.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 2256140983 is about 47498.8524387695. The cubic root of 2256140983 is about 1311.5617570046.

The spelling of 2256140983 in words is "two billion, two hundred fifty-six million, one hundred forty thousand, nine hundred eighty-three".