252344069 has 2 divisors, whose sum is σ = 252344070. Its totient is φ = 252344068.

The previous prime is 252344041. The next prime is 252344083. The reversal of 252344069 is 960443252.

252344069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217179169 + 35164900 = 14737^2 + 5930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252344069 is a prime.

It is a super-2 number, since 2×252344069² = 127355058318953522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252346069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126172034 + 126172035.

It is an arithmetic number, because the mean of its divisors is an integer number (126172035).

Almost surely, 2^252344069 is an apocalyptic number.

It is an amenable number.

252344069 is a deficient number, since it is larger than the sum of its proper divisors (1).

252344069 is an equidigital number, since it uses as much as digits as its factorization.

252344069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 252344069 is about 15885.3413246301. The cubic root of 252344069 is about 631.9232977536.

The spelling of 252344069 in words is "two hundred fifty-two million, three hundred forty-four thousand, sixty-nine".