2551360281 has 4 divisors (see below), whose sum is σ = 3401813712. Its totient is φ = 1700906852.

The previous prime is 2551360193. The next prime is 2551360297. The reversal of 2551360281 is 1820631552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2551360281 - 2²² = 2547165977 is a prime.

It is a super-2 number, since 2×2551360281² = 13018878566928797922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2551360381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425226711 + ... + 425226716.

It is an arithmetic number, because the mean of its divisors is an integer number (850453428).

Almost surely, 2^2551360281 is an apocalyptic number.

It is an amenable number.

2551360281 is a deficient number, since it is larger than the sum of its proper divisors (850453431).

2551360281 is an equidigital number, since it uses as much as digits as its factorization.

2551360281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850453430.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 2551360281 is about 50510.9916849788. The cubic root of 2551360281 is about 1366.4400945505.

The spelling of 2551360281 in words is "two billion, five hundred fifty-one million, three hundred sixty thousand, two hundred eighty-one".