522548 has 18 divisors (see below), whose sum is σ = 991494. Its totient is φ = 240864.

The previous prime is 522541. The next prime is 522553. The reversal of 522548 is 845225.

It can be written as a sum of positive squares in 3 ways, for example, as 35344 + 487204 = 188^2 + 698^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522541) by changing a digit.

522548 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 290 + ... + 1062.

It is an arithmetic number, because the mean of its divisors is an integer number (55083).

2⁵²²⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

522548 is a deficient number, since it is larger than the sum of its proper divisors (468946).

522548 is a wasteful number, since it uses less digits than its factorization.

522548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 788 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 522548 is about 722.8748162718. The cubic root of 522548 is about 80.5456449339.

It can be divided in two parts, 52 and 2548, that multiplied together give a square (132496 = 364²).

The spelling of 522548 in words is "five hundred twenty-two thousand, five hundred forty-eight".