252134536897 has 2 divisors, whose sum is σ = 252134536898. Its totient is φ = 252134536896.

The previous prime is 252134536847. The next prime is 252134536961. The reversal of 252134536897 is 798635431252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192348907776 + 59785629121 = 438576^2 + 244511^2 .

It is a cyclic number.

It is not a de Polignac number, because 252134536897 - 2³⁵ = 217774798529 is a prime.

It is not a weakly prime, because it can be changed into another prime (252134536847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126067268448 + 126067268449.

It is an arithmetic number, because the mean of its divisors is an integer number (126067268449).

Almost surely, 2^252134536897 is an apocalyptic number.

It is an amenable number.

252134536897 is a deficient number, since it is larger than the sum of its proper divisors (1).

252134536897 is an equidigital number, since it uses as much as digits as its factorization.

252134536897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 55.

The spelling of 252134536897 in words is "two hundred fifty-two billion, one hundred thirty-four million, five hundred thirty-six thousand, eight hundred ninety-seven".