10539811 has 4 divisors (see below), whose sum is σ = 10598224. Its totient is φ = 10481400.

The previous prime is 10539803. The next prime is 10539817. The reversal of 10539811 is 11893501.

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

It is a cyclic number.

It is not a de Polignac number, because 10539811 - 2³ = 10539803 is a prime.

It is a super-2 number, since 2×10539811² = 222175231831442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10539811.

It is not an unprimeable number, because it can be changed into a prime (10539817) 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, 28935 + ... + 29296.

It is an arithmetic number, because the mean of its divisors is an integer number (2649556).

Almost surely, 2^10539811 is an apocalyptic number.

10539811 is a deficient number, since it is larger than the sum of its proper divisors (58413).

10539811 is an equidigital number, since it uses as much as digits as its factorization.

10539811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58412.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 10539811 is about 3246.5075080769. The cubic root of 10539811 is about 219.2523588117.

The spelling of 10539811 in words is "ten million, five hundred thirty-nine thousand, eight hundred eleven".