4248091 has 2 divisors, whose sum is σ = 4248092. Its totient is φ = 4248090.

The previous prime is 4248073. The next prime is 4248103. The reversal of 4248091 is 1908424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4248091 - 2¹¹ = 4246043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4248061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124045 + 2124046.

It is an arithmetic number, because the mean of its divisors is an integer number (2124046).

Almost surely, 2^4248091 is an apocalyptic number.

4248091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248091 is an equidigital number, since it uses as much as digits as its factorization.

4248091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 4248091 is about 2061.0897602967. The cubic root of 4248091 is about 161.9563338085.

It can be divided in two parts, 424 and 8091, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 4248091 in words is "four million, two hundred forty-eight thousand, ninety-one".