252302261 has 2 divisors, whose sum is σ = 252302262. Its totient is φ = 252302260.

The previous prime is 252302243. The next prime is 252302279. The reversal of 252302261 is 162203252.

It is a balanced prime because it is at equal distance from previous prime (252302243) and next prime (252302279).

It can be written as a sum of positive squares in only one way, i.e., 252206161 + 96100 = 15881^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 252302261 - 2²² = 248107957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252302461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126151130 + 126151131.

It is an arithmetic number, because the mean of its divisors is an integer number (126151131).

Almost surely, 2^252302261 is an apocalyptic number.

It is an amenable number.

252302261 is a deficient number, since it is larger than the sum of its proper divisors (1).

252302261 is an equidigital number, since it uses as much as digits as its factorization.

252302261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 252302261 is about 15884.0253399445. The cubic root of 252302261 is about 631.8883971138. Note that the first 3 decimals are identical.

Subtracting from 252302261 its reverse (162203252), we obtain a palindrome (90099009).

The spelling of 252302261 in words is "two hundred fifty-two million, three hundred two thousand, two hundred sixty-one".