252621323 has 2 divisors, whose sum is σ = 252621324. Its totient is φ = 252621322.

The previous prime is 252621277. The next prime is 252621371. The reversal of 252621323 is 323126252.

252621323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252621323 - 2¹⁰ = 252620299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252621292 and 252621301.

It is not a weakly prime, because it can be changed into another prime (252626323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126310661 + 126310662.

It is an arithmetic number, because the mean of its divisors is an integer number (126310662).

Almost surely, 2^252621323 is an apocalyptic number.

252621323 is a deficient number, since it is larger than the sum of its proper divisors (1).

252621323 is an equidigital number, since it uses as much as digits as its factorization.

252621323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 252621323 is about 15894.0656535702. The cubic root of 252621323 is about 632.1546474022.

Adding to 252621323 its reverse (323126252), we get a palindrome (575747575).

The spelling of 252621323 in words is "two hundred fifty-two million, six hundred twenty-one thousand, three hundred twenty-three".