27244261 has 4 divisors (see below), whose sum is σ = 29721024. Its totient is φ = 24767500.

The previous prime is 27244229. The next prime is 27244267. The reversal of 27244261 is 16244272.

It is a happy number.

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 27244261 - 2⁵ = 27244229 is a prime.

It is a super-2 number, since 2×27244261² = 1484499514872242, 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 (27244267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238365 + ... + 1238386.

It is an arithmetic number, because the mean of its divisors is an integer number (7430256).

Almost surely, 2^27244261 is an apocalyptic number.

It is an amenable number.

27244261 is a deficient number, since it is larger than the sum of its proper divisors (2476763).

27244261 is a wasteful number, since it uses less digits than its factorization.

27244261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476762.

The product of its digits is 5376, while the sum is 28.

The square root of 27244261 is about 5219.6035290049. The cubic root of 27244261 is about 300.9019559045.

The spelling of 27244261 in words is "twenty-seven million, two hundred forty-four thousand, two hundred sixty-one".