539856731 has 2 divisors, whose sum is σ = 539856732. Its totient is φ = 539856730.

The previous prime is 539856689. The next prime is 539856767. The reversal of 539856731 is 137658935.

539856731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 539856731 - 2¹⁰ = 539855707 is a prime.

It is a super-2 number, since 2×539856731² = 582890580012012722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (539856791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269928365 + 269928366.

It is an arithmetic number, because the mean of its divisors is an integer number (269928366).

Almost surely, 2^539856731 is an apocalyptic number.

539856731 is a deficient number, since it is larger than the sum of its proper divisors (1).

539856731 is an equidigital number, since it uses as much as digits as its factorization.

539856731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 47.

The square root of 539856731 is about 23234.8172146888. The cubic root of 539856731 is about 814.2532615905.

The spelling of 539856731 in words is "five hundred thirty-nine million, eight hundred fifty-six thousand, seven hundred thirty-one".