27343261 has 8 divisors (see below), whose sum is σ = 31399200. Its totient is φ = 23549040.

The previous prime is 27343247. The next prime is 27343319. The reversal of 27343261 is 16234372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27343261 - 2¹¹ = 27341213 is a prime.

It is a super-2 number, since 2×27343261² = 1495307844228242, 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 (27343241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65206 + ... + 65623.

It is an arithmetic number, because the mean of its divisors is an integer number (3924900).

Almost surely, 2^27343261 is an apocalyptic number.

It is an amenable number.

27343261 is a deficient number, since it is larger than the sum of its proper divisors (4055939).

27343261 is a wasteful number, since it uses less digits than its factorization.

27343261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130859.

The product of its digits is 6048, while the sum is 28.

The square root of 27343261 is about 5229.0784082857. The cubic root of 27343261 is about 301.2659871109.

Subtracting from 27343261 its reverse (16234372), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 2734 and 3261, that added together give a palindrome (5995).

The spelling of 27343261 in words is "twenty-seven million, three hundred forty-three thousand, two hundred sixty-one".