251102243053 has 2 divisors, whose sum is σ = 251102243054. Its totient is φ = 251102243052.

The previous prime is 251102242987. The next prime is 251102243059. The reversal of 251102243053 is 350342201152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147718772964 + 103383470089 = 384342^2 + 321533^2 .

It is a cyclic number.

It is not a de Polignac number, because 251102243053 - 2¹³ = 251102234861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251102243059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125551121526 + 125551121527.

It is an arithmetic number, because the mean of its divisors is an integer number (125551121527).

Almost surely, 2^251102243053 is an apocalyptic number.

It is an amenable number.

251102243053 is a deficient number, since it is larger than the sum of its proper divisors (1).

251102243053 is an equidigital number, since it uses as much as digits as its factorization.

251102243053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 251102243053 in words is "two hundred fifty-one billion, one hundred two million, two hundred forty-three thousand, fifty-three".