52530253 has 4 divisors (see below), whose sum is σ = 53071900. Its totient is φ = 51988608.

The previous prime is 52530241. The next prime is 52530263. The reversal of 52530253 is 35203525.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38415204 + 14115049 = 6198^2 + 3757^2 .

It is a cyclic number.

It is not a de Polignac number, because 52530253 - 2²⁵ = 18975821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52530263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270678 + ... + 270871.

It is an arithmetic number, because the mean of its divisors is an integer number (13267975).

Almost surely, 2^52530253 is an apocalyptic number.

It is an amenable number.

52530253 is a deficient number, since it is larger than the sum of its proper divisors (541647).

52530253 is an equidigital number, since it uses as much as digits as its factorization.

52530253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541646.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 52530253 is about 7247.7757277664. The cubic root of 52530253 is about 374.5155296314.

Adding to 52530253 its reverse (35203525), we get a palindrome (87733778).

The spelling of 52530253 in words is "fifty-two million, five hundred thirty thousand, two hundred fifty-three".