10521133 has 12 divisors (see below), whose sum is σ = 12539772. Its totient is φ = 8796480.

The previous prime is 10521107. The next prime is 10521149. The reversal of 10521133 is 33112501.

It can be written as a sum of positive squares in 2 ways, for example, as 4380649 + 6140484 = 2093^2 + 2478^2 .

It is not a de Polignac number, because 10521133 - 2⁵ = 10521101 is a prime.

It is a super-2 number, since 2×10521133² = 221388479207378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610 + ... + 4627.

It is an arithmetic number, because the mean of its divisors is an integer number (1044981).

Almost surely, 2^10521133 is an apocalyptic number.

It is an amenable number.

10521133 is a deficient number, since it is larger than the sum of its proper divisors (2018639).

10521133 is an equidigital number, since it uses as much as digits as its factorization.

10521133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292 (or 5285 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 10521133 is about 3243.6296027753. The cubic root of 10521133 is about 219.1227670816.

Adding to 10521133 its reverse (33112501), we get a palindrome (43633634).

The spelling of 10521133 in words is "ten million, five hundred twenty-one thousand, one hundred thirty-three".