252405323 has 2 divisors, whose sum is σ = 252405324. Its totient is φ = 252405322.

The previous prime is 252405319. The next prime is 252405343. The reversal of 252405323 is 323504252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252405323 - 2² = 252405319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252405292 and 252405301.

It is not a weakly prime, because it can be changed into another prime (252405343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126202661 + 126202662.

It is an arithmetic number, because the mean of its divisors is an integer number (126202662).

Almost surely, 2^252405323 is an apocalyptic number.

252405323 is a deficient number, since it is larger than the sum of its proper divisors (1).

252405323 is an equidigital number, since it uses as much as digits as its factorization.

252405323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 252405323 is about 15887.2692115417. The cubic root of 252405323 is about 631.9744246380.

Adding to 252405323 its reverse (323504252), we get a palindrome (575909575).

The spelling of 252405323 in words is "two hundred fifty-two million, four hundred five thousand, three hundred twenty-three".