252043313 has 2 divisors, whose sum is σ = 252043314. Its totient is φ = 252043312.

The previous prime is 252043307. The next prime is 252043327. The reversal of 252043313 is 313340252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216913984 + 35129329 = 14728^2 + 5927^2 .

It is a cyclic number.

It is not a de Polignac number, because 252043313 - 2¹² = 252039217 is a prime.

It is not a weakly prime, because it can be changed into another prime (252043333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126021656 + 126021657.

It is an arithmetic number, because the mean of its divisors is an integer number (126021657).

Almost surely, 2^252043313 is an apocalyptic number.

It is an amenable number.

252043313 is a deficient number, since it is larger than the sum of its proper divisors (1).

252043313 is an equidigital number, since it uses as much as digits as its factorization.

252043313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 252043313 is about 15875.8720390409. The cubic root of 252043313 is about 631.6721455872.

Adding to 252043313 its reverse (313340252), we get a palindrome (565383565).

The spelling of 252043313 in words is "two hundred fifty-two million, forty-three thousand, three hundred thirteen".