52523431 has 2 divisors, whose sum is σ = 52523432. Its totient is φ = 52523430.

The previous prime is 52523423. The next prime is 52523441. The reversal of 52523431 is 13432525.

52523431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52523431 - 2³ = 52523423 is a prime.

It is a super-2 number, since 2×52523431² = 5517421608023522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52523396 and 52523405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52523441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26261715 + 26261716.

It is an arithmetic number, because the mean of its divisors is an integer number (26261716).

Almost surely, 2^52523431 is an apocalyptic number.

52523431 is a deficient number, since it is larger than the sum of its proper divisors (1).

52523431 is an equidigital number, since it uses as much as digits as its factorization.

52523431 is an odious number, because the sum of its binary digits is odd.

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

The square root of 52523431 is about 7247.3050853403. The cubic root of 52523431 is about 374.4993163993.

Adding to 52523431 its reverse (13432525), we get a palindrome (65955956).

The spelling of 52523431 in words is "fifty-two million, five hundred twenty-three thousand, four hundred thirty-one".