2551133251 has 16 divisors (see below), whose sum is σ = 2762311680. Its totient is φ = 2349135360.

The previous prime is 2551133231. The next prime is 2551133261. The reversal of 2551133251 is 1523311552.

It is not a de Polignac number, because 2551133251 - 2⁹ = 2551132739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551133231) 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 15 ways as a sum of consecutive naturals, for example, 128340 + ... + 146878.

It is an arithmetic number, because the mean of its divisors is an integer number (172644480).

Almost surely, 2^2551133251 is an apocalyptic number.

2551133251 is a deficient number, since it is larger than the sum of its proper divisors (211178429).

2551133251 is a wasteful number, since it uses less digits than its factorization.

2551133251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18786.

The product of its digits is 4500, while the sum is 28.

The square root of 2551133251 is about 50508.7443023483. The cubic root of 2551133251 is about 1366.3995629565.

The spelling of 2551133251 in words is "two billion, five hundred fifty-one million, one hundred thirty-three thousand, two hundred fifty-one".