529987 has 2 divisors, whose sum is σ = 529988. Its totient is φ = 529986.

The previous prime is 529981. The next prime is 529999. The reversal of 529987 is 789925.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 529987 - 2³ = 529979 is a prime.

It is not a weakly prime, because it can be changed into another prime (529981) 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, 264993 + 264994.

It is an arithmetic number, because the mean of its divisors is an integer number (264994).

2⁵²⁹⁹⁸⁷ is an apocalyptic number.

529987 is a deficient number, since it is larger than the sum of its proper divisors (1).

529987 is an equidigital number, since it uses as much as digits as its factorization.

529987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The square root of 529987 is about 728.0020604366. The cubic root of 529987 is about 80.9260616752.

It can be divided in two parts, 5 and 29987, that added together give a palindrome (29992).

The spelling of 529987 in words is "five hundred twenty-nine thousand, nine hundred eighty-seven".