252047046257 has 2 divisors, whose sum is σ = 252047046258. Its totient is φ = 252047046256.

The previous prime is 252047046179. The next prime is 252047046269. The reversal of 252047046257 is 752640740252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252005004001 + 42042256 = 502001^2 + 6484^2 .

It is a cyclic number.

It is not a de Polignac number, because 252047046257 - 2²⁰ = 252045997681 is a prime.

It is not a weakly prime, because it can be changed into another prime (252047040257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126023523128 + 126023523129.

It is an arithmetic number, because the mean of its divisors is an integer number (126023523129).

Almost surely, 2^252047046257 is an apocalyptic number.

It is an amenable number.

252047046257 is a deficient number, since it is larger than the sum of its proper divisors (1).

252047046257 is an equidigital number, since it uses as much as digits as its factorization.

252047046257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 252047046257 in words is "two hundred fifty-two billion, forty-seven million, forty-six thousand, two hundred fifty-seven".