27441961 has 4 divisors (see below), whose sum is σ = 29056212. Its totient is φ = 25827712.

The previous prime is 27441959. The next prime is 27441971. The reversal of 27441961 is 16914472.

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 11289600 + 16152361 = 3360^2 + 4019^2 .

It is a cyclic number.

It is not a de Polignac number, because 27441961 - 2¹ = 27441959 is a prime.

It is a super-2 number, since 2×27441961² = 1506122447051042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27441971) 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 3 ways as a sum of consecutive naturals, for example, 807100 + ... + 807133.

It is an arithmetic number, because the mean of its divisors is an integer number (7264053).

Almost surely, 2^27441961 is an apocalyptic number.

It is an amenable number.

27441961 is a deficient number, since it is larger than the sum of its proper divisors (1614251).

27441961 is a wasteful number, since it uses less digits than its factorization.

27441961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614250.

The product of its digits is 12096, while the sum is 34.

The square root of 27441961 is about 5238.5075164592. The cubic root of 27441961 is about 301.6280415463.

The spelling of 27441961 in words is "twenty-seven million, four hundred forty-one thousand, nine hundred sixty-one".