27316403 has 2 divisors, whose sum is σ = 27316404. Its totient is φ = 27316402.

The previous prime is 27316391. The next prime is 27316409. The reversal of 27316403 is 30461372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27316403 - 2¹⁴ = 27300019 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (27316409) 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, 13658201 + 13658202.

It is an arithmetic number, because the mean of its divisors is an integer number (13658202).

Almost surely, 2^27316403 is an apocalyptic number.

27316403 is a deficient number, since it is larger than the sum of its proper divisors (1).

27316403 is an equidigital number, since it uses as much as digits as its factorization.

27316403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 27316403 is about 5226.5096383724. The cubic root of 27316403 is about 301.1673149908.

Adding to 27316403 its reverse (30461372), we get a palindrome (57777775).

The spelling of 27316403 in words is "twenty-seven million, three hundred sixteen thousand, four hundred three".