522359 has 4 divisors (see below), whose sum is σ = 553104. Its totient is φ = 491616.

The previous prime is 522337. The next prime is 522371. The reversal of 522359 is 953225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522059) 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, 15347 + ... + 15380.

It is an arithmetic number, because the mean of its divisors is an integer number (138276).

2⁵²²³⁵⁹ is an apocalyptic number.

522359 is a deficient number, since it is larger than the sum of its proper divisors (30745).

522359 is a wasteful number, since it uses less digits than its factorization.

522359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30744.

The product of its digits is 2700, while the sum is 26.

The square root of 522359 is about 722.7440764199. The cubic root of 522359 is about 80.5359329313.

The spelling of 522359 in words is "five hundred twenty-two thousand, three hundred fifty-nine".