2301491 has 2 divisors, whose sum is σ = 2301492. Its totient is φ = 2301490.

The previous prime is 2301479. The next prime is 2301493. The reversal of 2301491 is 1941032.

2301491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2301491 is a prime.

Together with 2301493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2301493) 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, 1150745 + 1150746.

It is an arithmetic number, because the mean of its divisors is an integer number (1150746).

2^2301491 is an apocalyptic number.

2301491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2301491 is an equidigital number, since it uses as much as digits as its factorization.

2301491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2301491 is about 1517.0665773129. The cubic root of 2301491 is about 132.0291296288.

The spelling of 2301491 in words is "two million, three hundred one thousand, four hundred ninety-one".