52343431 has 16 divisors (see below), whose sum is σ = 61014016. Its totient is φ = 43981056.

The previous prime is 52343413. The next prime is 52343449. The reversal of 52343431 is 13434325.

It is an interprime number because it is at equal distance from previous prime (52343413) and next prime (52343449).

It is not a de Polignac number, because 52343431 - 2⁹ = 52342919 is a prime.

It is a super-2 number, since 2×52343431² = 5479669537703522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52343396 and 52343405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52343471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85930 + ... + 86536.

It is an arithmetic number, because the mean of its divisors is an integer number (3813376).

Almost surely, 2^52343431 is an apocalyptic number.

52343431 is a deficient number, since it is larger than the sum of its proper divisors (8670585).

52343431 is a wasteful number, since it uses less digits than its factorization.

52343431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838.

The product of its digits is 4320, while the sum is 25.

The square root of 52343431 is about 7234.8760182881. The cubic root of 52343431 is about 374.0710184752.

Adding to 52343431 its reverse (13434325), we get a palindrome (65777756).

The spelling of 52343431 in words is "fifty-two million, three hundred forty-three thousand, four hundred thirty-one".