10538489 has 4 divisors (see below), whose sum is σ = 11349156. Its totient is φ = 9727824.

The previous prime is 10538477. The next prime is 10538491. The reversal of 10538489 is 98483501.

10538489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1776889 + 8761600 = 1333^2 + 2960^2 .

It is a cyclic number.

It is not a de Polignac number, because 10538489 - 2²⁰ = 9489913 is a prime.

It is a super-2 number, since 2×10538489² = 222119500806242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10538089) by changing a digit.

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, 405314 + ... + 405339.

It is an arithmetic number, because the mean of its divisors is an integer number (2837289).

Almost surely, 2^10538489 is an apocalyptic number.

It is an amenable number.

10538489 is a deficient number, since it is larger than the sum of its proper divisors (810667).

10538489 is an equidigital number, since it uses as much as digits as its factorization.

10538489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810666.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 10538489 is about 3246.3038982819. The cubic root of 10538489 is about 219.2431915462.

The spelling of 10538489 in words is "ten million, five hundred thirty-eight thousand, four hundred eighty-nine".