27540361 has 4 divisors (see below), whose sum is σ = 28737792. Its totient is φ = 26342932.

The previous prime is 27540347. The next prime is 27540371. The reversal of 27540361 is 16304572.

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 not a de Polignac number, because 27540361 - 2⁹ = 27539849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27540301) 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, 598681 + ... + 598726.

It is an arithmetic number, because the mean of its divisors is an integer number (7184448).

Almost surely, 2^27540361 is an apocalyptic number.

It is an amenable number.

27540361 is a deficient number, since it is larger than the sum of its proper divisors (1197431).

27540361 is a wasteful number, since it uses less digits than its factorization.

27540361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197430.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 27540361 is about 5247.8911002421. The cubic root of 27540361 is about 301.9881323641.

The spelling of 27540361 in words is "twenty-seven million, five hundred forty thousand, three hundred sixty-one".