252452254157 has 2 divisors, whose sum is σ = 252452254158. Its totient is φ = 252452254156.

The previous prime is 252452254151. The next prime is 252452254199. The reversal of 252452254157 is 751452254252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231586162756 + 20866091401 = 481234^2 + 144451^2 .

It is a cyclic number.

It is not a de Polignac number, because 252452254157 - 2¹⁶ = 252452188621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252452254151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126226127078 + 126226127079.

It is an arithmetic number, because the mean of its divisors is an integer number (126226127079).

Almost surely, 2^252452254157 is an apocalyptic number.

It is an amenable number.

252452254157 is a deficient number, since it is larger than the sum of its proper divisors (1).

252452254157 is an equidigital number, since it uses as much as digits as its factorization.

252452254157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120000, while the sum is 44.

The spelling of 252452254157 in words is "two hundred fifty-two billion, four hundred fifty-two million, two hundred fifty-four thousand, one hundred fifty-seven".