251332455053 has 2 divisors, whose sum is σ = 251332455054. Its totient is φ = 251332455052.

The previous prime is 251332455007. The next prime is 251332455061. The reversal of 251332455053 is 350554233152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238278707044 + 13053748009 = 488138^2 + 114253^2 .

It is a cyclic number.

It is not a de Polignac number, because 251332455053 - 2³² = 247037487757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 251332454998 and 251332455016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251332455083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125666227526 + 125666227527.

It is an arithmetic number, because the mean of its divisors is an integer number (125666227527).

Almost surely, 2^251332455053 is an apocalyptic number.

It is an amenable number.

251332455053 is a deficient number, since it is larger than the sum of its proper divisors (1).

251332455053 is an equidigital number, since it uses as much as digits as its factorization.

251332455053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 251332455053 in words is "two hundred fifty-one billion, three hundred thirty-two million, four hundred fifty-five thousand, fifty-three".