10524209 has 4 divisors (see below), whose sum is σ = 10632804. Its totient is φ = 10415616.

The previous prime is 10524197. The next prime is 10524211. The reversal of 10524209 is 90242501.

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 8392609 + 2131600 = 2897^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 10524209 - 2¹⁶ = 10458673 is a prime.

It is a super-2 number, since 2×10524209² = 221517950151362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10524289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54152 + ... + 54345.

It is an arithmetic number, because the mean of its divisors is an integer number (2658201).

Almost surely, 2^10524209 is an apocalyptic number.

It is an amenable number.

10524209 is a deficient number, since it is larger than the sum of its proper divisors (108595).

10524209 is an equidigital number, since it uses as much as digits as its factorization.

10524209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108594.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 10524209 is about 3244.1037283046. The cubic root of 10524209 is about 219.1441195334.

The spelling of 10524209 in words is "ten million, five hundred twenty-four thousand, two hundred nine".