252262521535 has 16 divisors (see below), whose sum is σ = 323358280416. Its totient is φ = 188257957888.

The previous prime is 252262521529. The next prime is 252262521547. The reversal of 252262521535 is 535125262252.

It is a cyclic number.

It is not a de Polignac number, because 252262521535 - 2³ = 252262521527 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 13122229 + ... + 13141438.

It is an arithmetic number, because the mean of its divisors is an integer number (20209892526).

Almost surely, 2^252262521535 is an apocalyptic number.

252262521535 is a deficient number, since it is larger than the sum of its proper divisors (71095758881).

252262521535 is a wasteful number, since it uses less digits than its factorization.

252262521535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26263802.

The product of its digits is 360000, while the sum is 40.

Adding to 252262521535 its reverse (535125262252), we get a palindrome (787387783787).

The spelling of 252262521535 in words is "two hundred fifty-two billion, two hundred sixty-two million, five hundred twenty-one thousand, five hundred thirty-five".