27361321 has 4 divisors (see below), whose sum is σ = 29466052. Its totient is φ = 25256592.

The previous prime is 27361277. The next prime is 27361333. The reversal of 27361321 is 12316372.

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 6786025 + 20575296 = 2605^2 + 4536^2 .

It is a cyclic number.

It is not a de Polignac number, because 27361321 - 2⁷ = 27361193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27361361) 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, 1052346 + ... + 1052371.

It is an arithmetic number, because the mean of its divisors is an integer number (7366513).

Almost surely, 2^27361321 is an apocalyptic number.

It is an amenable number.

27361321 is a deficient number, since it is larger than the sum of its proper divisors (2104731).

27361321 is a wasteful number, since it uses less digits than its factorization.

27361321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104730.

The product of its digits is 1512, while the sum is 25.

The square root of 27361321 is about 5230.8050049682. The cubic root of 27361321 is about 301.3323004191.

Adding to 27361321 its reverse (12316372), we get a palindrome (39677693).

The spelling of 27361321 in words is "twenty-seven million, three hundred sixty-one thousand, three hundred twenty-one".