252342241 has 2 divisors, whose sum is σ = 252342242. Its totient is φ = 252342240.

The previous prime is 252342229. The next prime is 252342247. The reversal of 252342241 is 142243252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227889216 + 24453025 = 15096^2 + 4945^2 .

It is a cyclic number.

It is not a de Polignac number, because 252342241 - 2⁹ = 252341729 is a prime.

It is not a weakly prime, because it can be changed into another prime (252342247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126171120 + 126171121.

It is an arithmetic number, because the mean of its divisors is an integer number (126171121).

Almost surely, 2^252342241 is an apocalyptic number.

It is an amenable number.

252342241 is a deficient number, since it is larger than the sum of its proper divisors (1).

252342241 is an equidigital number, since it uses as much as digits as its factorization.

252342241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 25.

The square root of 252342241 is about 15885.2837872038. The cubic root of 252342241 is about 631.9217718495.

Adding to 252342241 its reverse (142243252), we get a palindrome (394585493).

The spelling of 252342241 in words is "two hundred fifty-two million, three hundred forty-two thousand, two hundred forty-one".