252297329 has 2 divisors, whose sum is σ = 252297330. Its totient is φ = 252297328.

The previous prime is 252297299. The next prime is 252297337. The reversal of 252297329 is 923792252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250272400 + 2024929 = 15820^2 + 1423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252297329 is a prime.

It is not a weakly prime, because it can be changed into another prime (252297349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126148664 + 126148665.

It is an arithmetic number, because the mean of its divisors is an integer number (126148665).

Almost surely, 2^252297329 is an apocalyptic number.

It is an amenable number.

252297329 is a deficient number, since it is larger than the sum of its proper divisors (1).

252297329 is an equidigital number, since it uses as much as digits as its factorization.

252297329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 252297329 is about 15883.8700888669. The cubic root of 252297329 is about 631.8842797060.

The spelling of 252297329 in words is "two hundred fifty-two million, two hundred ninety-seven thousand, three hundred twenty-nine".