252622451577137 has 2 divisors, whose sum is σ = 252622451577138. Its totient is φ = 252622451577136.

The previous prime is 252622451577079. The next prime is 252622451577149. The reversal of 252622451577137 is 731775154226252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172113303686416 + 80509147890721 = 13119196^2 + 8972689^2 .

It is a cyclic number.

It is not a de Polignac number, because 252622451577137 - 2¹⁰ = 252622451576113 is a prime.

It is a super-2 number, since 2×252622451577137² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252622451577337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126311225788568 + 126311225788569.

It is an arithmetic number, because the mean of its divisors is an integer number (126311225788569).

Almost surely, 2^{252622451577137} is an apocalyptic number.

It is an amenable number.

252622451577137 is a deficient number, since it is larger than the sum of its proper divisors (1).

252622451577137 is an equidigital number, since it uses as much as digits as its factorization.

252622451577137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392000, while the sum is 59.

The spelling of 252622451577137 in words is "two hundred fifty-two trillion, six hundred twenty-two billion, four hundred fifty-one million, five hundred seventy-seven thousand, one hundred thirty-seven".