521848 has 32 divisors (see below), whose sum is σ = 1053360. Its totient is φ = 241920.

The previous prime is 521831. The next prime is 521861. The reversal of 521848 is 848125.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12115 + ... + 12157.

2⁵²¹⁸⁴⁸ is an apocalyptic number.

It is an amenable number.

521848 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

521848 is a wasteful number, since it uses less digits than its factorization.

521848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 123 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 521848 is about 722.3904761277. The cubic root of 521848 is about 80.5096628191.

It can be divided in two parts, 521 and 848, that added together give a square (1369 = 37²).

The spelling of 521848 in words is "five hundred twenty-one thousand, eight hundred forty-eight".