252225313 has 2 divisors, whose sum is σ = 252225314. Its totient is φ = 252225312.

The previous prime is 252225307. The next prime is 252225329. The reversal of 252225313 is 313522252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133240849 + 118984464 = 11543^2 + 10908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252225313 is a prime.

It is not a weakly prime, because it can be changed into another prime (252225343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126112656 + 126112657.

It is an arithmetic number, because the mean of its divisors is an integer number (126112657).

Almost surely, 2^252225313 is an apocalyptic number.

It is an amenable number.

252225313 is a deficient number, since it is larger than the sum of its proper divisors (1).

252225313 is an equidigital number, since it uses as much as digits as its factorization.

252225313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 25.

The square root of 252225313 is about 15881.6029732518. The cubic root of 252225313 is about 631.8241520927.

Adding to 252225313 its reverse (313522252), we get a palindrome (565747565).

The spelling of 252225313 in words is "two hundred fifty-two million, two hundred twenty-five thousand, three hundred thirteen".