53231 has 2 divisors, whose sum is σ = 53232. Its totient is φ = 53230.

The previous prime is 53201. The next prime is 53233. The reversal of 53231 is 13235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53231 - 2¹⁴ = 36847 is a prime.

It is a super-2 number, since 2×53231² = 5667078722, which contains 22 as substring.

Together with 53233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53233) 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, 26615 + 26616.

It is an arithmetic number, because the mean of its divisors is an integer number (26616).

2⁵³²³¹ is an apocalyptic number.

53231 is a deficient number, since it is larger than the sum of its proper divisors (1).

53231 is an equidigital number, since it uses as much as digits as its factorization.

53231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90, while the sum is 14.

The square root of 53231 is about 230.7184431293. The cubic root of 53231 is about 37.6173509025.

Adding to 53231 its reverse (13235), we get a palindrome (66466).

The spelling of 53231 in words is "fifty-three thousand, two hundred thirty-one".