522669 has 8 divisors (see below), whose sum is σ = 796480. Its totient is φ = 298656.

The previous prime is 522661. The next prime is 522673. The reversal of 522669 is 966225.

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

It is not a de Polignac number, because 522669 - 2³ = 522661 is a prime.

It is a super-2 number, since 2×522669² = 546365767122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12424 + ... + 12465.

It is an arithmetic number, because the mean of its divisors is an integer number (99560).

2⁵²²⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

522669 is a deficient number, since it is larger than the sum of its proper divisors (273811).

522669 is a wasteful number, since it uses less digits than its factorization.

522669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24899.

The product of its digits is 6480, while the sum is 30.

The square root of 522669 is about 722.9585050333. The cubic root of 522669 is about 80.5518614416.

Subtracting 522669 from its reverse (966225), we obtain a square (443556 = 666²).

The spelling of 522669 in words is "five hundred twenty-two thousand, six hundred sixty-nine".