27133541 has 4 divisors (see below), whose sum is σ = 27173952. Its totient is φ = 27093132.

The previous prime is 27133517. The next prime is 27133567. The reversal of 27133541 is 14533172.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27133541 is a prime.

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 27133541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27133591) 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, 19181 + ... + 20546.

It is an arithmetic number, because the mean of its divisors is an integer number (6793488).

Almost surely, 2^27133541 is an apocalyptic number.

It is an amenable number.

27133541 is a deficient number, since it is larger than the sum of its proper divisors (40411).

27133541 is an equidigital number, since it uses as much as digits as its factorization.

27133541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40410.

The product of its digits is 2520, while the sum is 26.

The square root of 27133541 is about 5208.9865617028. The cubic root of 27133541 is about 300.4937831112.

The spelling of 27133541 in words is "twenty-seven million, one hundred thirty-three thousand, five hundred forty-one".