522465 has 16 divisors (see below), whose sum is σ = 851136. Its totient is φ = 273600.

The previous prime is 522449. The next prime is 522469. The reversal of 522465 is 564225.

522465 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 522465 - 2⁴ = 522449 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630 + ... + 1200.

It is an arithmetic number, because the mean of its divisors is an integer number (53196).

2⁵²²⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

522465 is a deficient number, since it is larger than the sum of its proper divisors (328671).

522465 is a wasteful number, since it uses less digits than its factorization.

522465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its digits is 2400, while the sum is 24.

The square root of 522465 is about 722.8174043284. The cubic root of 522465 is about 80.5413801630.

The spelling of 522465 in words is "five hundred twenty-two thousand, four hundred sixty-five".