522103968 has 84 divisors (see below), whose sum is σ = 1541202138. Its totient is φ = 174026880.

The previous prime is 522103961. The next prime is 522103973. The reversal of 522103968 is 869301225.

522103968 is a `hidden beast` number, since 52 + 210 + 396 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 425514384 + 96589584 = 20628^2 + 9828^2 .

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

It is not an unprimeable number, because it can be changed into a prime (522103961) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 12138 + ... + 34518.

Almost surely, 2^522103968 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 522103968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770601069).

522103968 is an abundant number, since it is smaller than the sum of its proper divisors (1019098170).

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

522103968 is an equidigital number, since it uses as much as digits as its factorization.

522103968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22409 (or 22386 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 522103968 is about 22849.5944821785. The cubic root of 522103968 is about 805.2282407734.

The spelling of 522103968 in words is "five hundred twenty-two million, one hundred three thousand, nine hundred sixty-eight".