52235431 has 2 divisors, whose sum is σ = 52235432. Its totient is φ = 52235430.

The previous prime is 52235423. The next prime is 52235437. The reversal of 52235431 is 13453225.

52235431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52235431 - 2³ = 52235423 is a prime.

It is a super-2 number, since 2×52235431² = 5457080503511522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52235396 and 52235405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52235437) 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, 26117715 + 26117716.

It is an arithmetic number, because the mean of its divisors is an integer number (26117716).

Almost surely, 2^52235431 is an apocalyptic number.

52235431 is a deficient number, since it is larger than the sum of its proper divisors (1).

52235431 is an equidigital number, since it uses as much as digits as its factorization.

52235431 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 52235431 is about 7227.4083183393. The cubic root of 52235431 is about 373.8135682303.

Adding to 52235431 its reverse (13453225), we get a palindrome (65688656).

It can be divided in two parts, 522 and 35431, that added together give a palindrome (35953).

The spelling of 52235431 in words is "fifty-two million, two hundred thirty-five thousand, four hundred thirty-one".