252124013 has 2 divisors, whose sum is σ = 252124014. Its totient is φ = 252124012.

The previous prime is 252124009. The next prime is 252124039. The reversal of 252124013 is 310421252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251317609 + 806404 = 15853^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 252124013 - 2² = 252124009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252124043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126062006 + 126062007.

It is an arithmetic number, because the mean of its divisors is an integer number (126062007).

Almost surely, 2^252124013 is an apocalyptic number.

It is an amenable number.

252124013 is a deficient number, since it is larger than the sum of its proper divisors (1).

252124013 is an equidigital number, since it uses as much as digits as its factorization.

252124013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 252124013 is about 15878.4134282994. The cubic root of 252124013 is about 631.7395553007.

Adding to 252124013 its reverse (310421252), we get a palindrome (562545265).

The spelling of 252124013 in words is "two hundred fifty-two million, one hundred twenty-four thousand, thirteen".