252903751361 has 2 divisors, whose sum is σ = 252903751362. Its totient is φ = 252903751360.

The previous prime is 252903751349. The next prime is 252903751363. The reversal of 252903751361 is 163157309252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249460291600 + 3443459761 = 499460^2 + 58681^2 .

It is a cyclic number.

It is not a de Polignac number, because 252903751361 - 2¹⁴ = 252903734977 is a prime.

Together with 252903751363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (252903751363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126451875680 + 126451875681.

It is an arithmetic number, because the mean of its divisors is an integer number (126451875681).

Almost surely, 2^252903751361 is an apocalyptic number.

It is an amenable number.

252903751361 is a deficient number, since it is larger than the sum of its proper divisors (1).

252903751361 is an equidigital number, since it uses as much as digits as its factorization.

252903751361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 252903751361 in words is "two hundred fifty-two billion, nine hundred three million, seven hundred fifty-one thousand, three hundred sixty-one".