533989 has 2 divisors, whose sum is σ = 533990. Its totient is φ = 533988.

The previous prime is 533971. The next prime is 533993. The reversal of 533989 is 989335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532900 + 1089 = 730^2 + 33^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-533989 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (533909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266994 + 266995.

It is an arithmetic number, because the mean of its divisors is an integer number (266995).

2⁵³³⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

533989 is a deficient number, since it is larger than the sum of its proper divisors (1).

533989 is an equidigital number, since it uses as much as digits as its factorization.

533989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 37.

The square root of 533989 is about 730.7455097365. The cubic root of 533989 is about 81.1292454745.

The spelling of 533989 in words is "five hundred thirty-three thousand, nine hundred eighty-nine".