33340541 has 4 divisors (see below), whose sum is σ = 35905212. Its totient is φ = 30775872.

The previous prime is 33340529. The next prime is 33340543. The reversal of 33340541 is 14504333.

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 5736025 + 27604516 = 2395^2 + 5254^2 .

It is a cyclic number.

It is not a de Polignac number, because 33340541 - 2¹⁰ = 33339517 is a prime.

It is a super-2 number, since 2×33340541² = 2223183348345362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33340543) 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, 1282316 + ... + 1282341.

It is an arithmetic number, because the mean of its divisors is an integer number (8976303).

Almost surely, 2^33340541 is an apocalyptic number.

It is an amenable number.

33340541 is a deficient number, since it is larger than the sum of its proper divisors (2564671).

33340541 is a wasteful number, since it uses less digits than its factorization.

33340541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564670.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 33340541 is about 5774.1268604006. The cubic root of 33340541 is about 321.8529896157.

Adding to 33340541 its reverse (14504333), we get a palindrome (47844874).

The spelling of 33340541 in words is "thirty-three million, three hundred forty thousand, five hundred forty-one".