10521328 has 10 divisors (see below), whose sum is σ = 20385104. Its totient is φ = 5260656.

The previous prime is 10521311. The next prime is 10521331. The reversal of 10521328 is 82312501.

It is a super-2 number, since 2×10521328² = 221396685767168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10521299 and 10521308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328776 + ... + 328807.

Almost surely, 2^10521328 is an apocalyptic number.

It is an amenable number.

10521328 is a deficient number, since it is larger than the sum of its proper divisors (9863776).

10521328 is an equidigital number, since it uses as much as digits as its factorization.

10521328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657591 (or 657585 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 10521328 is about 3243.6596615551. The cubic root of 10521328 is about 219.1241208229.

Adding to 10521328 its reverse (82312501), we get a palindrome (92833829).

The spelling of 10521328 in words is "ten million, five hundred twenty-one thousand, three hundred twenty-eight".