252533321 has 2 divisors, whose sum is σ = 252533322. Its totient is φ = 252533320.

The previous prime is 252533311. The next prime is 252533341. The reversal of 252533321 is 123335252.

252533321 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 can be written as a sum of positive squares in only one way, i.e., 131423296 + 121110025 = 11464^2 + 11005^2 .

It is a cyclic number.

It is not a de Polignac number, because 252533321 - 2¹⁴ = 252516937 is a prime.

It is not a weakly prime, because it can be changed into another prime (252533311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126266660 + 126266661.

It is an arithmetic number, because the mean of its divisors is an integer number (126266661).

Almost surely, 2^252533321 is an apocalyptic number.

It is an amenable number.

252533321 is a deficient number, since it is larger than the sum of its proper divisors (1).

252533321 is an equidigital number, since it uses as much as digits as its factorization.

252533321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 26.

The square root of 252533321 is about 15891.2970206966. The cubic root of 252533321 is about 632.0812340502.

Adding to 252533321 its reverse (123335252), we get a palindrome (375868573).

The spelling of 252533321 in words is "two hundred fifty-two million, five hundred thirty-three thousand, three hundred twenty-one".