27403841 has 2 divisors, whose sum is σ = 27403842. Its totient is φ = 27403840.

The previous prime is 27403819. The next prime is 27403853. The reversal of 27403841 is 14830472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16321600 + 11082241 = 4040^2 + 3329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27403841 is a prime.

It is a Chen prime.

It is equal to p_1706618 and since 27403841 and 1706618 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (27403891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13701920 + 13701921.

It is an arithmetic number, because the mean of its divisors is an integer number (13701921).

Almost surely, 2^27403841 is an apocalyptic number.

It is an amenable number.

27403841 is a deficient number, since it is larger than the sum of its proper divisors (1).

27403841 is an equidigital number, since it uses as much as digits as its factorization.

27403841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 27403841 is about 5234.8678111295. The cubic root of 27403841 is about 301.4883116257.

The spelling of 27403841 in words is "twenty-seven million, four hundred three thousand, eight hundred forty-one".