252230153321 has 2 divisors, whose sum is σ = 252230153322. Its totient is φ = 252230153320.

The previous prime is 252230153311. The next prime is 252230153347. The reversal of 252230153321 is 123351032252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244866625600 + 7363527721 = 494840^2 + 85811^2 .

It is a cyclic number.

It is not a de Polignac number, because 252230153321 - 2¹⁴ = 252230136937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (252230153311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126115076660 + 126115076661.

It is an arithmetic number, because the mean of its divisors is an integer number (126115076661).

Almost surely, 2^252230153321 is an apocalyptic number.

It is an amenable number.

252230153321 is a deficient number, since it is larger than the sum of its proper divisors (1).

252230153321 is an equidigital number, since it uses as much as digits as its factorization.

252230153321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 252230153321 its reverse (123351032252), we get a palindrome (375581185573).

The spelling of 252230153321 in words is "two hundred fifty-two billion, two hundred thirty million, one hundred fifty-three thousand, three hundred twenty-one".