521354848 has 96 divisors (see below), whose sum is σ = 1200165120. Its totient is φ = 218350080.

The previous prime is 521354843. The next prime is 521354887. The reversal of 521354848 is 848453125.

It is a self number, because there is not a number n which added to its sum of digits gives 521354848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521354843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3198415 + ... + 3198577.

It is an arithmetic number, because the mean of its divisors is an integer number (12501720).

Almost surely, 2^521354848 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 521354848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600082560).

521354848 is an abundant number, since it is smaller than the sum of its proper divisors (678810272).

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

521354848 is a wasteful number, since it uses less digits than its factorization.

521354848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 412 counting only the distinct ones).

The product of its digits is 153600, while the sum is 40.

The square root of 521354848 is about 22833.1961845029. The cubic root of 521354848 is about 804.8429399231.

The spelling of 521354848 in words is "five hundred twenty-one million, three hundred fifty-four thousand, eight hundred forty-eight".