539873531 has 4 divisors (see below), whose sum is σ = 540099864. Its totient is φ = 539647200.

The previous prime is 539873519. The next prime is 539873567. The reversal of 539873531 is 135378935.

539873531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 539873531 - 2¹⁰ = 539872507 is a prime.

It is a super-2 number, since 2×539873531² = 582926858948815922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539873501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109550 + ... + 114371.

It is an arithmetic number, because the mean of its divisors is an integer number (135024966).

Almost surely, 2^539873531 is an apocalyptic number.

539873531 is a deficient number, since it is larger than the sum of its proper divisors (226333).

539873531 is a wasteful number, since it uses less digits than its factorization.

539873531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226332.

The product of its digits is 340200, while the sum is 44.

The square root of 539873531 is about 23235.1787382839. The cubic root of 539873531 is about 814.2617078517.

The spelling of 539873531 in words is "five hundred thirty-nine million, eight hundred seventy-three thousand, five hundred thirty-one".