252286717049 has 4 divisors (see below), whose sum is σ = 252295915620. Its totient is φ = 252277518480.

The previous prime is 252286716991. The next prime is 252286717093. The reversal of 252286717049 is 940717682252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117206946025 + 135079771024 = 342355^2 + 367532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252286717049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252286717349) 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, 4558022 + ... + 4613039.

It is an arithmetic number, because the mean of its divisors is an integer number (63073978905).

Almost surely, 2^252286717049 is an apocalyptic number.

It is an amenable number.

252286717049 is a deficient number, since it is larger than the sum of its proper divisors (9198571).

252286717049 is an equidigital number, since it uses as much as digits as its factorization.

252286717049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9198570.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 252286717049 in words is "two hundred fifty-two billion, two hundred eighty-six million, seven hundred seventeen thousand, forty-nine".