539899 has 2 divisors, whose sum is σ = 539900. Its totient is φ = 539898.

The previous prime is 539897. The next prime is 539921. The reversal of 539899 is 998935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 539899 - 2¹ = 539897 is a prime.

Together with 539897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (539897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269949 + 269950.

It is an arithmetic number, because the mean of its divisors is an integer number (269950).

2⁵³⁹⁸⁹⁹ is an apocalyptic number.

539899 is a deficient number, since it is larger than the sum of its proper divisors (1).

539899 is an equidigital number, since it uses as much as digits as its factorization.

539899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 43.

The square root of 539899 is about 734.7781978257. The cubic root of 539899 is about 81.4274512150.

The spelling of 539899 in words is "five hundred thirty-nine thousand, eight hundred ninety-nine".