539287939 has 2 divisors, whose sum is σ = 539287940. Its totient is φ = 539287938.

The previous prime is 539287829. The next prime is 539287943. The reversal of 539287939 is 939782935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 539287939 - 2¹¹ = 539285891 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 539287939.

It is not a weakly prime, because it can be changed into another prime (539287979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269643969 + 269643970.

It is an arithmetic number, because the mean of its divisors is an integer number (269643970).

Almost surely, 2^539287939 is an apocalyptic number.

539287939 is a deficient number, since it is larger than the sum of its proper divisors (1).

539287939 is an equidigital number, since it uses as much as digits as its factorization.

539287939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 55.

The square root of 539287939 is about 23222.5739098835. The cubic root of 539287939 is about 813.9671958842.

The spelling of 539287939 in words is "five hundred thirty-nine million, two hundred eighty-seven thousand, nine hundred thirty-nine".