252013635 has 12 divisors (see below), whose sum is σ = 436823712. Its totient is φ = 134407248.

The previous prime is 252013621. The next prime is 252013639. The reversal of 252013635 is 536310252.

252013635 is a `hidden beast` number, since 2 + 5 + 20 + 1 + 3 + 635 = 666.

It is not a de Polignac number, because 252013635 - 2¹⁰ = 252012611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252013599 and 252013608.

It is not an unprimeable number, because it can be changed into a prime (252013639) 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 11 ways as a sum of consecutive naturals, for example, 2800107 + ... + 2800196.

It is an arithmetic number, because the mean of its divisors is an integer number (36401976).

Almost surely, 2^252013635 is an apocalyptic number.

252013635 is a deficient number, since it is larger than the sum of its proper divisors (184810077).

252013635 is a wasteful number, since it uses less digits than its factorization.

252013635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600314 (or 5600311 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 252013635 is about 15874.9373227109. The cubic root of 252013635 is about 631.6473515659.

Adding to 252013635 its reverse (536310252), we get a palindrome (788323887).

The spelling of 252013635 in words is "two hundred fifty-two million, thirteen thousand, six hundred thirty-five".