4137491 has 2 divisors, whose sum is σ = 4137492. Its totient is φ = 4137490.

The previous prime is 4137473. The next prime is 4137509. The reversal of 4137491 is 1947314.

4137491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (4137473) and next prime (4137509).

It is a cyclic number.

It is not a de Polignac number, because 4137491 - 2¹⁰ = 4136467 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4139491) 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, 2068745 + 2068746.

It is an arithmetic number, because the mean of its divisors is an integer number (2068746).

Almost surely, 2^4137491 is an apocalyptic number.

4137491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4137491 is an equidigital number, since it uses as much as digits as its factorization.

4137491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 4137491 is about 2034.0823483822. The cubic root of 4137491 is about 160.5384334224.

The spelling of 4137491 in words is "four million, one hundred thirty-seven thousand, four hundred ninety-one".