10541209 has 12 divisors (see below), whose sum is σ = 12456192. Its totient is φ = 8738280.

The previous prime is 10541203. The next prime is 10541221. The reversal of 10541209 is 90214501.

It is not a de Polignac number, because 10541209 - 2¹¹ = 10539161 is a prime.

It is a super-2 number, since 2×10541209² = 222234174363362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10541209.

It is not an unprimeable number, because it can be changed into a prime (10541203) 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, 5944 + ... + 7510.

It is an arithmetic number, because the mean of its divisors is an integer number (1038016).

Almost surely, 2^10541209 is an apocalyptic number.

It is an amenable number.

10541209 is a deficient number, since it is larger than the sum of its proper divisors (1914983).

10541209 is an equidigital number, since it uses as much as digits as its factorization.

10541209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636 (or 1605 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 10541209 is about 3246.7228092340. The cubic root of 10541209 is about 219.2620522571.

It can be divided in two parts, 105 and 41209, that added together give a palindrome (41314).

The spelling of 10541209 in words is "ten million, five hundred forty-one thousand, two hundred nine".