52043231 has 2 divisors, whose sum is σ = 52043232. Its totient is φ = 52043230.

The previous prime is 52043183. The next prime is 52043237. The reversal of 52043231 is 13234025.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52043231 is a prime.

It is a super-2 number, since 2×52043231² = 5416995785838722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52043237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26021615 + 26021616.

It is an arithmetic number, because the mean of its divisors is an integer number (26021616).

Almost surely, 2^52043231 is an apocalyptic number.

52043231 is a deficient number, since it is larger than the sum of its proper divisors (1).

52043231 is an equidigital number, since it uses as much as digits as its factorization.

52043231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 52043231 is about 7214.0994586989. The cubic root of 52043231 is about 373.3545230497.

Adding to 52043231 its reverse (13234025), we get a palindrome (65277256).

The spelling of 52043231 in words is "fifty-two million, forty-three thousand, two hundred thirty-one".