252343401157 has 2 divisors, whose sum is σ = 252343401158. Its totient is φ = 252343401156.

The previous prime is 252343401133. The next prime is 252343401241. The reversal of 252343401157 is 751104343252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234250192036 + 18093209121 = 483994^2 + 134511^2 .

It is a cyclic number.

It is not a de Polignac number, because 252343401157 - 2²³ = 252335012549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252343701157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126171700578 + 126171700579.

It is an arithmetic number, because the mean of its divisors is an integer number (126171700579).

Almost surely, 2^252343401157 is an apocalyptic number.

It is an amenable number.

252343401157 is a deficient number, since it is larger than the sum of its proper divisors (1).

252343401157 is an equidigital number, since it uses as much as digits as its factorization.

252343401157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 252343401157 in words is "two hundred fifty-two billion, three hundred forty-three million, four hundred one thousand, one hundred fifty-seven".