522965 has 4 divisors (see below), whose sum is σ = 627564. Its totient is φ = 418368.

The previous prime is 522961. The next prime is 522989. The reversal of 522965 is 569225.

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 217156 + 305809 = 466^2 + 553^2 .

It is a cyclic number.

It is not a de Polignac number, because 522965 - 2² = 522961 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52292 + ... + 52301.

It is an arithmetic number, because the mean of its divisors is an integer number (156891).

2⁵²²⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

522965 is a deficient number, since it is larger than the sum of its proper divisors (104599).

522965 is a wasteful number, since it uses less digits than its factorization.

522965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104598.

The product of its digits is 5400, while the sum is 29.

The square root of 522965 is about 723.1631904349. The cubic root of 522965 is about 80.5670647228.

The spelling of 522965 in words is "five hundred twenty-two thousand, nine hundred sixty-five".