252434317 has 4 divisors (see below), whose sum is σ = 252560160. Its totient is φ = 252308476.

The previous prime is 252434311. The next prime is 252434327. The reversal of 252434317 is 713434252.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252434317 - 2¹⁵ = 252401549 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252434311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59863 + ... + 63940.

It is an arithmetic number, because the mean of its divisors is an integer number (63140040).

Almost surely, 2^252434317 is an apocalyptic number.

It is an amenable number.

252434317 is a deficient number, since it is larger than the sum of its proper divisors (125843).

252434317 is a wasteful number, since it uses less digits than its factorization.

252434317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125842.

The product of its digits is 20160, while the sum is 31.

The square root of 252434317 is about 15888.1816769572. The cubic root of 252434317 is about 631.9986221796.

Adding to 252434317 its reverse (713434252), we get a palindrome (965868569).

It can be divided in two parts, 25 and 2434317, that added together give a palindrome (2434342).

The spelling of 252434317 in words is "two hundred fifty-two million, four hundred thirty-four thousand, three hundred seventeen".