522654 has 16 divisors (see below), whose sum is σ = 1140480. Its totient is φ = 158360.

The previous prime is 522637. The next prime is 522659. The reversal of 522654 is 456225.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522659) 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, 3894 + ... + 4025.

It is an arithmetic number, because the mean of its divisors is an integer number (71280).

2⁵²²⁶⁵⁴ is an apocalyptic number.

522654 is an abundant number, since it is smaller than the sum of its proper divisors (617826).

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

522654 is a wasteful number, since it uses less digits than its factorization.

522654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7935.

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

The square root of 522654 is about 722.9481309195. The cubic root of 522654 is about 80.5510908522.

Adding to 522654 its reverse (456225), we get a palindrome (978879).

It can be divided in two parts, 522 and 654, that added together give a triangular number (1176 = T₄₈).

The spelling of 522654 in words is "five hundred twenty-two thousand, six hundred fifty-four".