252818075297 has 2 divisors, whose sum is σ = 252818075298. Its totient is φ = 252818075296.

The previous prime is 252818075269. The next prime is 252818075309. The reversal of 252818075297 is 792570818252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131902617856 + 120915457441 = 363184^2 + 347729^2 .

It is a cyclic number.

It is not a de Polignac number, because 252818075297 - 2⁶ = 252818075233 is a prime.

It is not a weakly prime, because it can be changed into another prime (252818075207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126409037648 + 126409037649.

It is an arithmetic number, because the mean of its divisors is an integer number (126409037649).

Almost surely, 2^252818075297 is an apocalyptic number.

It is an amenable number.

252818075297 is a deficient number, since it is larger than the sum of its proper divisors (1).

252818075297 is an equidigital number, since it uses as much as digits as its factorization.

252818075297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 56.

The spelling of 252818075297 in words is "two hundred fifty-two billion, eight hundred eighteen million, seventy-five thousand, two hundred ninety-seven".