252586251 has 6 divisors (see below), whose sum is σ = 364846820. Its totient is φ = 168390828.

The previous prime is 252586249. The next prime is 252586261. The reversal of 252586251 is 152685252.

It is a happy number.

252586251 is a `hidden beast` number, since 2 + 5 + 25 + 8 + 625 + 1 = 666.

It is not a de Polignac number, because 252586251 - 2¹ = 252586249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252586261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14032561 + ... + 14032578.

Almost surely, 2^252586251 is an apocalyptic number.

252586251 is a deficient number, since it is larger than the sum of its proper divisors (112260569).

252586251 is a wasteful number, since it uses less digits than its factorization.

252586251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28065145 (or 28065142 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 252586251 is about 15892.9623104065. The cubic root of 252586251 is about 632.1253915531.

Subtracting from 252586251 its reverse (152685252), we obtain a palindrome (99900999).

The spelling of 252586251 in words is "two hundred fifty-two million, five hundred eighty-six thousand, two hundred fifty-one".