10539609 has 16 divisors (see below), whose sum is σ = 15199488. Its totient is φ = 6470912.

The previous prime is 10539577. The next prime is 10539619. The reversal of 10539609 is 90693501.

It is a cyclic number.

It is not a de Polignac number, because 10539609 - 2⁵ = 10539577 is a prime.

It is a super-2 number, since 2×10539609² = 222166715745762, 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 10539609.

It is not an unprimeable number, because it can be changed into a prime (10539619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199 + ... + 4595.

It is an arithmetic number, because the mean of its divisors is an integer number (949968).

Almost surely, 2^10539609 is an apocalyptic number.

It is an amenable number.

10539609 is a deficient number, since it is larger than the sum of its proper divisors (4659879).

10539609 is a wasteful number, since it uses less digits than its factorization.

10539609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 10539609 is about 3246.4763975732. The cubic root of 10539609 is about 219.2509581142.

The spelling of 10539609 in words is "ten million, five hundred thirty-nine thousand, six hundred nine".