27145411 has 2 divisors, whose sum is σ = 27145412. Its totient is φ = 27145410.

The previous prime is 27145397. The next prime is 27145423. The reversal of 27145411 is 11454172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27145411 - 2¹⁵ = 27112643 is a prime.

It is not a weakly prime, because it can be changed into another prime (27145211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13572705 + 13572706.

It is an arithmetic number, because the mean of its divisors is an integer number (13572706).

Almost surely, 2^27145411 is an apocalyptic number.

27145411 is a deficient number, since it is larger than the sum of its proper divisors (1).

27145411 is an equidigital number, since it uses as much as digits as its factorization.

27145411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 25.

The square root of 27145411 is about 5210.1258142198. The cubic root of 27145411 is about 300.5375953214.

Adding to 27145411 its reverse (11454172), we get a palindrome (38599583).

It can be divided in two parts, 27145 and 411, that added together give a square (27556 = 166²).

The spelling of 27145411 in words is "twenty-seven million, one hundred forty-five thousand, four hundred eleven".