522648 has 96 divisors (see below), whose sum is σ = 1740960. Its totient is φ = 138240.

The previous prime is 522637. The next prime is 522659. The reversal of 522648 is 846225.

It is an interprime number because it is at equal distance from previous prime (522637) and next prime (522659).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2 and base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8538 + ... + 8598.

It is an arithmetic number, because the mean of its divisors is an integer number (18135).

2⁵²²⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870480).

522648 is an abundant number, since it is smaller than the sum of its proper divisors (1218312).

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

522648 is a wasteful number, since it uses less digits than its factorization.

522648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 90 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 522648 is about 722.9439812323. The cubic root of 522648 is about 80.5507826123.

The spelling of 522648 in words is "five hundred twenty-two thousand, six hundred forty-eight".