252750050261 has 2 divisors, whose sum is σ = 252750050262. Its totient is φ = 252750050260.

The previous prime is 252750050233. The next prime is 252750050279. The reversal of 252750050261 is 162050057252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227833427761 + 24916622500 = 477319^2 + 157850^2 .

It is a cyclic number.

It is not a de Polignac number, because 252750050261 - 2⁶ = 252750050197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252750050291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126375025130 + 126375025131.

It is an arithmetic number, because the mean of its divisors is an integer number (126375025131).

Almost surely, 2^252750050261 is an apocalyptic number.

It is an amenable number.

252750050261 is a deficient number, since it is larger than the sum of its proper divisors (1).

252750050261 is an equidigital number, since it uses as much as digits as its factorization.

252750050261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 252750050261 in words is "two hundred fifty-two billion, seven hundred fifty million, fifty thousand, two hundred sixty-one".