522678 has 16 divisors (see below), whose sum is σ = 1125936. Its totient is φ = 160800.

The previous prime is 522677. The next prime is 522679. The reversal of 522678 is 876225.

It is an interprime number because it is at equal distance from previous prime (522677) and next prime (522679).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522673) 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, 3273 + ... + 3428.

It is an arithmetic number, because the mean of its divisors is an integer number (70371).

2⁵²²⁶⁷⁸ is an apocalyptic number.

522678 is an abundant number, since it is smaller than the sum of its proper divisors (603258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522678 is a wasteful number, since it uses less digits than its factorization.

522678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6719.

The product of its digits is 6720, while the sum is 30.

The square root of 522678 is about 722.9647294301. The cubic root of 522678 is about 80.5523237881.

The spelling of 522678 in words is "five hundred twenty-two thousand, six hundred seventy-eight".