52431253 has 4 divisors (see below), whose sum is σ = 59921440. Its totient is φ = 44941068.

The previous prime is 52431229. The next prime is 52431263. The reversal of 52431253 is 35213425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52431253 - 2¹³ = 52423061 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 (52431263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3745083 + ... + 3745096.

It is an arithmetic number, because the mean of its divisors is an integer number (14980360).

Almost surely, 2^52431253 is an apocalyptic number.

It is an amenable number.

52431253 is a deficient number, since it is larger than the sum of its proper divisors (7490187).

52431253 is an equidigital number, since it uses as much as digits as its factorization.

52431253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7490186.

The product of its digits is 3600, while the sum is 25.

The square root of 52431253 is about 7240.9428253509. The cubic root of 52431253 is about 374.2801074897.

Adding to 52431253 its reverse (35213425), we get a palindrome (87644678).

The spelling of 52431253 in words is "fifty-two million, four hundred thirty-one thousand, two hundred fifty-three".