2551800983 has 4 divisors (see below), whose sum is σ = 2593633848. Its totient is φ = 2509968120.

The previous prime is 2551800971. The next prime is 2551801027. The reversal of 2551800983 is 3890081552.

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 2551800983 - 2⁶ = 2551800919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2551800983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551808983) 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, 20916341 + ... + 20916462.

It is an arithmetic number, because the mean of its divisors is an integer number (648408462).

Almost surely, 2^2551800983 is an apocalyptic number.

2551800983 is a deficient number, since it is larger than the sum of its proper divisors (41832865).

2551800983 is an equidigital number, since it uses as much as digits as its factorization.

2551800983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41832864.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 2551800983 is about 50515.3539332350. The cubic root of 2551800983 is about 1366.5187660756.

The spelling of 2551800983 in words is "two billion, five hundred fifty-one million, eight hundred thousand, nine hundred eighty-three".