252277277257 has 2 divisors, whose sum is σ = 252277277258. Its totient is φ = 252277277256.

The previous prime is 252277277237. The next prime is 252277277309. The reversal of 252277277257 is 752772772252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251686835856 + 590441401 = 501684^2 + 24299^2 .

It is a cyclic number.

It is not a de Polignac number, because 252277277257 - 2³⁵ = 217917538889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252277277198 and 252277277207.

It is not a weakly prime, because it can be changed into another prime (252277277207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126138638628 + 126138638629.

It is an arithmetic number, because the mean of its divisors is an integer number (126138638629).

Almost surely, 2^252277277257 is an apocalyptic number.

It is an amenable number.

252277277257 is a deficient number, since it is larger than the sum of its proper divisors (1).

252277277257 is an equidigital number, since it uses as much as digits as its factorization.

252277277257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13445600, while the sum is 55.

The spelling of 252277277257 in words is "two hundred fifty-two billion, two hundred seventy-seven million, two hundred seventy-seven thousand, two hundred fifty-seven".