252286751 has 4 divisors (see below), whose sum is σ = 252922632. Its totient is φ = 251650872.

The previous prime is 252286739. The next prime is 252286763. The reversal of 252286751 is 157682252.

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

It is an interprime number because it is at equal distance from previous prime (252286739) and next prime (252286763).

It is a cyclic number.

It is not a de Polignac number, because 252286751 - 2⁶ = 252286687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252286721) 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, 317345 + ... + 318138.

It is an arithmetic number, because the mean of its divisors is an integer number (63230658).

Almost surely, 2^252286751 is an apocalyptic number.

252286751 is a deficient number, since it is larger than the sum of its proper divisors (635881).

252286751 is an equidigital number, since it uses as much as digits as its factorization.

252286751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635880.

The product of its digits is 67200, while the sum is 38.

The square root of 252286751 is about 15883.5371060731. The cubic root of 252286751 is about 631.8754486370.

The spelling of 252286751 in words is "two hundred fifty-two million, two hundred eighty-six thousand, seven hundred fifty-one".