299539 has 2 divisors, whose sum is σ = 299540. Its totient is φ = 299538.

The previous prime is 299527. The next prime is 299567. The reversal of 299539 is 935992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 299539 - 2⁹ = 299027 is a prime.

It is a super-2 number, since 2×299539² = 179447225042, which contains 22 as substring.

299539 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 299498 and 299507.

It is not a weakly prime, because it can be changed into another prime (299569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149769 + 149770.

It is an arithmetic number, because the mean of its divisors is an integer number (149770).

2²⁹⁹⁵³⁹ is an apocalyptic number.

299539 is a deficient number, since it is larger than the sum of its proper divisors (1).

299539 is an equidigital number, since it uses as much as digits as its factorization.

299539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21870, while the sum is 37.

The square root of 299539 is about 547.3015622123. The cubic root of 299539 is about 66.9089875859.

It can be divided in two parts, 299 and 539, that multiplied together give a palindrome (161161).

The spelling of 299539 in words is "two hundred ninety-nine thousand, five hundred thirty-nine".