27815941 has 2 divisors, whose sum is σ = 27815942. Its totient is φ = 27815940.

The previous prime is 27815933. The next prime is 27815987. The reversal of 27815941 is 14951872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25502500 + 2313441 = 5050^2 + 1521^2 .

It is a cyclic number.

It is not a de Polignac number, because 27815941 - 2³ = 27815933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27815941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27815911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13907970 + 13907971.

It is an arithmetic number, because the mean of its divisors is an integer number (13907971).

Almost surely, 2^27815941 is an apocalyptic number.

It is an amenable number.

27815941 is a deficient number, since it is larger than the sum of its proper divisors (1).

27815941 is an equidigital number, since it uses as much as digits as its factorization.

27815941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 37.

The square root of 27815941 is about 5274.0820054299. The cubic root of 27815941 is about 302.9920630248.

The spelling of 27815941 in words is "twenty-seven million, eight hundred fifteen thousand, nine hundred forty-one".