27313571 has 2 divisors, whose sum is σ = 27313572. Its totient is φ = 27313570.

The previous prime is 27313567. The next prime is 27313579. The reversal of 27313571 is 17531372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27313571 - 2² = 27313567 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (27313579) 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, 13656785 + 13656786.

It is an arithmetic number, because the mean of its divisors is an integer number (13656786).

Almost surely, 2^27313571 is an apocalyptic number.

27313571 is a deficient number, since it is larger than the sum of its proper divisors (1).

27313571 is an equidigital number, since it uses as much as digits as its factorization.

27313571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410, while the sum is 29.

The square root of 27313571 is about 5226.2387048431. The cubic root of 27313571 is about 301.1569068939.

The spelling of 27313571 in words is "twenty-seven million, three hundred thirteen thousand, five hundred seventy-one".