252412134617 has 4 divisors (see below), whose sum is σ = 252413277156. Its totient is φ = 252410992080.

The previous prime is 252412134599. The next prime is 252412134641. The reversal of 252412134617 is 716431214252.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 228226908361 + 24185226256 = 477731^2 + 155516^2 .

It is a cyclic number.

It is not a de Polignac number, because 252412134617 - 2¹⁸ = 252411872473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252412134517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122234 + ... + 720947.

It is an arithmetic number, because the mean of its divisors is an integer number (63103319289).

Almost surely, 2^252412134617 is an apocalyptic number.

It is an amenable number.

252412134617 is a deficient number, since it is larger than the sum of its proper divisors (1142539).

252412134617 is an equidigital number, since it uses as much as digits as its factorization.

252412134617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142538.

The product of its digits is 80640, while the sum is 38.

Adding to 252412134617 its reverse (716431214252), we get a palindrome (968843348869).

The spelling of 252412134617 in words is "two hundred fifty-two billion, four hundred twelve million, one hundred thirty-four thousand, six hundred seventeen".