529689085 has 4 divisors (see below), whose sum is σ = 635626908. Its totient is φ = 423751264.

The previous prime is 529689073. The next prime is 529689109. The reversal of 529689085 is 580986925.

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

It can be written as a sum of positive squares in 2 ways, for example, as 280964644 + 248724441 = 16762^2 + 15771^2 .

It is a cyclic number.

It is not a de Polignac number, because 529689085 - 2⁵ = 529689053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52968904 + ... + 52968913.

It is an arithmetic number, because the mean of its divisors is an integer number (158906727).

Almost surely, 2^529689085 is an apocalyptic number.

It is an amenable number.

529689085 is a deficient number, since it is larger than the sum of its proper divisors (105937823).

529689085 is a wasteful number, since it uses less digits than its factorization.

529689085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105937822.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The square root of 529689085 is about 23014.9752335300. The cubic root of 529689085 is about 809.1089551300.

The spelling of 529689085 in words is "five hundred twenty-nine million, six hundred eighty-nine thousand, eighty-five".