27141409 has 2 divisors, whose sum is σ = 27141410. Its totient is φ = 27141408.

The previous prime is 27141391. The next prime is 27141437. The reversal of 27141409 is 90414172.

It is an a-pointer prime, because the next prime (27141437) can be obtained adding 27141409 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20277009 + 6864400 = 4503^2 + 2620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27141409 is a prime.

It is not a weakly prime, because it can be changed into another prime (27141209) 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, 13570704 + 13570705.

It is an arithmetic number, because the mean of its divisors is an integer number (13570705).

Almost surely, 2^27141409 is an apocalyptic number.

It is an amenable number.

27141409 is a deficient number, since it is larger than the sum of its proper divisors (1).

27141409 is an equidigital number, since it uses as much as digits as its factorization.

27141409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 27141409 is about 5209.7417402401. The cubic root of 27141409 is about 300.5228253532.

The spelling of 27141409 in words is "twenty-seven million, one hundred forty-one thousand, four hundred nine".