252820535 has 16 divisors (see below), whose sum is σ = 335504160. Its totient is φ = 181347840.

The previous prime is 252820523. The next prime is 252820537. The reversal of 252820535 is 535028252.

It is not a de Polignac number, because 252820535 - 2⁶ = 252820471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252820537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27470 + ... + 35499.

It is an arithmetic number, because the mean of its divisors is an integer number (20969010).

Almost surely, 2^252820535 is an apocalyptic number.

252820535 is a deficient number, since it is larger than the sum of its proper divisors (82683625).

252820535 is a wasteful number, since it uses less digits than its factorization.

252820535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63058.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 252820535 is about 15900.3312858569. The cubic root of 252820535 is about 632.3207718105.

Adding to 252820535 its reverse (535028252), we get a palindrome (787848787).

The spelling of 252820535 in words is "two hundred fifty-two million, eight hundred twenty thousand, five hundred thirty-five".