530043431 has 2 divisors, whose sum is σ = 530043432. Its totient is φ = 530043430.

The previous prime is 530043421. The next prime is 530043443. The reversal of 530043431 is 134340035.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530043431 is a prime.

It is a super-2 number, since 2×530043431² = 561892077492503522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 530043397 and 530043406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530043421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265021715 + 265021716.

It is an arithmetic number, because the mean of its divisors is an integer number (265021716).

Almost surely, 2^530043431 is an apocalyptic number.

530043431 is a deficient number, since it is larger than the sum of its proper divisors (1).

530043431 is an equidigital number, since it uses as much as digits as its factorization.

530043431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 530043431 is about 23022.6721081633. The cubic root of 530043431 is about 809.2893380637.

Adding to 530043431 its reverse (134340035), we get a palindrome (664383466).

The spelling of 530043431 in words is "five hundred thirty million, forty-three thousand, four hundred thirty-one".