521048 has 32 divisors (see below), whose sum is σ = 1105920. Its totient is φ = 228000.

The previous prime is 521047. The next prime is 521051. The reversal of 521048 is 840125.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 521048.

It is not an unprimeable number, because it can be changed into a prime (521041) 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, 2633 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (34560).

2⁵²¹⁰⁴⁸ 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 521048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552960).

521048 is an abundant number, since it is smaller than the sum of its proper divisors (584872).

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

521048 is a wasteful number, since it uses less digits than its factorization.

521048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 521048 is about 721.8365465949. The cubic root of 521048 is about 80.4685009795.

The spelling of 521048 in words is "five hundred twenty-one thousand, forty-eight".