521048368 has 20 divisors (see below), whose sum is σ = 1068915960. Its totient is φ = 245199104.

The previous prime is 521048323. The next prime is 521048383. The reversal of 521048368 is 863840125.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 957538 + ... + 958081.

It is an arithmetic number, because the mean of its divisors is an integer number (53445798).

Almost surely, 2^521048368 is an apocalyptic number.

It is an amenable number.

521048368 is an abundant number, since it is smaller than the sum of its proper divisors (547867592).

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

521048368 is a wasteful number, since it uses less digits than its factorization.

521048368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915644 (or 1915638 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 521048368 is about 22826.4839167139. The cubic root of 521048368 is about 804.6851992366.

The spelling of 521048368 in words is "five hundred twenty-one million, forty-eight thousand, three hundred sixty-eight".