522529 has 8 divisors (see below), whose sum is σ = 632448. Its totient is φ = 421440.

The previous prime is 522523. The next prime is 522541. The reversal of 522529 is 925225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 522529 - 2³ = 522521 is a prime.

It is an Ulam number.

It is a Duffinian number.

522529 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (522521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2077 + ... + 2314.

It is an arithmetic number, because the mean of its divisors is an integer number (79056).

2⁵²²⁵²⁹ is an apocalyptic number.

It is an amenable number.

522529 is a deficient number, since it is larger than the sum of its proper divisors (109919).

522529 is a wasteful number, since it uses less digits than its factorization.

522529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415.

The product of its digits is 1800, while the sum is 25.

The square root of 522529 is about 722.8616741812. The cubic root of 522529 is about 80.5446687009.

It can be divided in two parts, 5225 and 29, that multiplied together give a triangular number (151525 = T₅₅₀).

The spelling of 522529 in words is "five hundred twenty-two thousand, five hundred twenty-nine".