252247635 has 16 divisors (see below), whose sum is σ = 448440480. Its totient is φ = 134532000.

The previous prime is 252247603. The next prime is 252247643. The reversal of 252247635 is 536742252.

It is not a de Polignac number, because 252247635 - 2⁵ = 252247603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252247635.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934116 + ... + 934385.

It is an arithmetic number, because the mean of its divisors is an integer number (28027530).

Almost surely, 2^252247635 is an apocalyptic number.

252247635 is a deficient number, since it is larger than the sum of its proper divisors (196192845).

252247635 is a wasteful number, since it uses less digits than its factorization.

252247635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868515 (or 1868509 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 252247635 is about 15882.3057205180. The cubic root of 252247635 is about 631.8427904053.

Adding to 252247635 its reverse (536742252), we get a palindrome (788989887).

The spelling of 252247635 in words is "two hundred fifty-two million, two hundred forty-seven thousand, six hundred thirty-five".