4027291 has 2 divisors, whose sum is σ = 4027292. Its totient is φ = 4027290.

The previous prime is 4027279. The next prime is 4027367. The reversal of 4027291 is 1927204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4027291 - 2¹⁷ = 3896219 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4027211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013645 + 2013646.

It is an arithmetic number, because the mean of its divisors is an integer number (2013646).

Almost surely, 2^4027291 is an apocalyptic number.

4027291 is a deficient number, since it is larger than the sum of its proper divisors (1).

4027291 is an equidigital number, since it uses as much as digits as its factorization.

4027291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 4027291 is about 2006.8111520519. The cubic root of 4027291 is about 159.1003019414.

The spelling of 4027291 in words is "four million, twenty-seven thousand, two hundred ninety-one".