252540329 has 2 divisors, whose sum is σ = 252540330. Its totient is φ = 252540328.

The previous prime is 252540319. The next prime is 252540341. The reversal of 252540329 is 923045252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211644304 + 40896025 = 14548^2 + 6395^2 .

It is a cyclic number.

It is not a de Polignac number, because 252540329 - 2⁴ = 252540313 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 252540295 and 252540304.

It is not a weakly prime, because it can be changed into another prime (252540319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126270164 + 126270165.

It is an arithmetic number, because the mean of its divisors is an integer number (126270165).

Almost surely, 2^252540329 is an apocalyptic number.

It is an amenable number.

252540329 is a deficient number, since it is larger than the sum of its proper divisors (1).

252540329 is an equidigital number, since it uses as much as digits as its factorization.

252540329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 252540329 is about 15891.5175172165. The cubic root of 252540329 is about 632.0870809147.

The spelling of 252540329 in words is "two hundred fifty-two million, five hundred forty thousand, three hundred twenty-nine".