52535231 has 4 divisors (see below), whose sum is σ = 60040272. Its totient is φ = 45030192.

The previous prime is 52535191. The next prime is 52535233. The reversal of 52535231 is 13253525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52535231 - 2¹⁴ = 52518847 is a prime.

It is a super-2 number, since 2×52535231² = 5519900992446722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52535231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52535233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3752510 + ... + 3752523.

It is an arithmetic number, because the mean of its divisors is an integer number (15010068).

Almost surely, 2^52535231 is an apocalyptic number.

52535231 is a deficient number, since it is larger than the sum of its proper divisors (7505041).

52535231 is an equidigital number, since it uses as much as digits as its factorization.

52535231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505040.

The product of its digits is 4500, while the sum is 26.

The square root of 52535231 is about 7248.1191353344. The cubic root of 52535231 is about 374.5273595091.

Adding to 52535231 its reverse (13253525), we get a palindrome (65788756).

The spelling of 52535231 in words is "fifty-two million, five hundred thirty-five thousand, two hundred thirty-one".