27542071 has 2 divisors, whose sum is σ = 27542072. Its totient is φ = 27542070.

The previous prime is 27541991. The next prime is 27542089. The reversal of 27542071 is 17024572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27542071 - 2⁹ = 27541559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27542971) 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, 13771035 + 13771036.

It is an arithmetic number, because the mean of its divisors is an integer number (13771036).

Almost surely, 2^27542071 is an apocalyptic number.

27542071 is a deficient number, since it is larger than the sum of its proper divisors (1).

27542071 is an equidigital number, since it uses as much as digits as its factorization.

27542071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 27542071 is about 5248.0540203012. The cubic root of 27542071 is about 301.9943824518.

The spelling of 27542071 in words is "twenty-seven million, five hundred forty-two thousand, seventy-one".