27250291 has 2 divisors, whose sum is σ = 27250292. Its totient is φ = 27250290.

The previous prime is 27250283. The next prime is 27250319. The reversal of 27250291 is 19205272.

It is an a-pointer prime, because the next prime (27250319) can be obtained adding 27250291 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27250291 - 2³ = 27250283 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (27256291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13625145 + 13625146.

It is an arithmetic number, because the mean of its divisors is an integer number (13625146).

Almost surely, 2^27250291 is an apocalyptic number.

27250291 is a deficient number, since it is larger than the sum of its proper divisors (1).

27250291 is an equidigital number, since it uses as much as digits as its factorization.

27250291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 27250291 is about 5220.1811271258. The cubic root of 27250291 is about 300.9241539123.

The spelling of 27250291 in words is "twenty-seven million, two hundred fifty thousand, two hundred ninety-one".