522505 has 8 divisors (see below), whose sum is σ = 647424. Its totient is φ = 404400.

The previous prime is 522497. The next prime is 522517. The reversal of 522505 is 505225.

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

It is not a de Polignac number, because 522505 - 2³ = 522497 is a prime.

It is a super-2 number, since 2×522505² = 546022950050, which contains 22 as substring.

It is a Duffinian number.

522505 is a lucky number.

It is an unprimeable number.

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, 1531 + ... + 1840.

It is an arithmetic number, because the mean of its divisors is an integer number (80928).

2⁵²²⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

522505 is a deficient number, since it is larger than the sum of its proper divisors (124919).

522505 is a wasteful number, since it uses less digits than its factorization.

522505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 522505 is about 722.8450733041. The cubic root of 522505 is about 80.5434355307.

The spelling of 522505 in words is "five hundred twenty-two thousand, five hundred five".