33806541 has 4 divisors (see below), whose sum is σ = 45075392. Its totient is φ = 22537692.

The previous prime is 33806503. The next prime is 33806569. The reversal of 33806541 is 14560833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 33806541 - 2⁷ = 33806413 is a prime.

It is a super-2 number, since 2×33806541² = 2285764428769362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33806499 and 33806508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33806501) 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, 5634421 + ... + 5634426.

It is an arithmetic number, because the mean of its divisors is an integer number (11268848).

Almost surely, 2^33806541 is an apocalyptic number.

It is an amenable number.

33806541 is a deficient number, since it is larger than the sum of its proper divisors (11268851).

33806541 is a wasteful number, since it uses less digits than its factorization.

33806541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11268850.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 33806541 is about 5814.3392573877. The cubic root of 33806541 is about 323.3455678464.

The spelling of 33806541 in words is "thirty-three million, eight hundred six thousand, five hundred forty-one".