2551111253 has 2 divisors, whose sum is σ = 2551111254. Its totient is φ = 2551111252.

The previous prime is 2551111201. The next prime is 2551111259. The reversal of 2551111253 is 3521111552.

2551111253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2499300049 + 51811204 = 49993^2 + 7198^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551111253 - 2²⁴ = 2534334037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551111259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275555626 + 1275555627.

It is an arithmetic number, because the mean of its divisors is an integer number (1275555627).

Almost surely, 2^2551111253 is an apocalyptic number.

It is an amenable number.

2551111253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551111253 is an equidigital number, since it uses as much as digits as its factorization.

2551111253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500, while the sum is 26.

The square root of 2551111253 is about 50508.5265376055. The cubic root of 2551111253 is about 1366.3956355328.

The spelling of 2551111253 in words is "two billion, five hundred fifty-one million, one hundred eleven thousand, two hundred fifty-three".