521134848 has 216 divisors, whose sum is σ = 1642787328. Its totient is φ = 157925376.

The previous prime is 521134841. The next prime is 521134853. The reversal of 521134848 is 848431125.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (521134841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3803836 + ... + 3803972.

Almost surely, 2^521134848 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 521134848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (821393664).

521134848 is an abundant number, since it is smaller than the sum of its proper divisors (1121652480).

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

521134848 is a wasteful number, since it uses less digits than its factorization.

521134848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 282 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 521134848 is about 22828.3781289867. The cubic root of 521134848 is about 804.7297154662.

The spelling of 521134848 in words is "five hundred twenty-one million, one hundred thirty-four thousand, eight hundred forty-eight".