27056641 has 2 divisors, whose sum is σ = 27056642. Its totient is φ = 27056640.

The previous prime is 27056621. The next prime is 27056663. The reversal of 27056641 is 14665072.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27040000 + 16641 = 5200^2 + 129^2 .

It is a cyclic number.

It is not a de Polignac number, because 27056641 - 2¹³ = 27048449 is a prime.

It is not a weakly prime, because it can be changed into another prime (27056621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13528320 + 13528321.

It is an arithmetic number, because the mean of its divisors is an integer number (13528321).

Almost surely, 2^27056641 is an apocalyptic number.

It is an amenable number.

27056641 is a deficient number, since it is larger than the sum of its proper divisors (1).

27056641 is an equidigital number, since it uses as much as digits as its factorization.

27056641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 27056641 is about 5201.5998500461. The cubic root of 27056641 is about 300.2096349580.

The spelling of 27056641 in words is "twenty-seven million, fifty-six thousand, six hundred forty-one".