531339043 has 2 divisors, whose sum is σ = 531339044. Its totient is φ = 531339042.

The previous prime is 531339007. The next prime is 531339071. The reversal of 531339043 is 340933135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531339043 - 2¹³ = 531330851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531338996 and 531339014.

It is not a weakly prime, because it can be changed into another prime (531339443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265669521 + 265669522.

It is an arithmetic number, because the mean of its divisors is an integer number (265669522).

Almost surely, 2^531339043 is an apocalyptic number.

531339043 is a deficient number, since it is larger than the sum of its proper divisors (1).

531339043 is an equidigital number, since it uses as much as digits as its factorization.

531339043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 531339043 is about 23050.7926761749. The cubic root of 531339043 is about 809.9481971646.

The spelling of 531339043 in words is "five hundred thirty-one million, three hundred thirty-nine thousand, forty-three".