6201491 has 2 divisors, whose sum is σ = 6201492. Its totient is φ = 6201490.

The previous prime is 6201479. The next prime is 6201493. The reversal of 6201491 is 1941026.

It is a happy number.

6201491 is digitally balanced in base 3, 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 not a de Polignac number, because 6201491 - 2¹⁴ = 6185107 is a prime.

Together with 6201493, 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 (6201493) 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, 3100745 + 3100746.

It is an arithmetic number, because the mean of its divisors is an integer number (3100746).

Almost surely, 2^6201491 is an apocalyptic number.

6201491 is a deficient number, since it is larger than the sum of its proper divisors (1).

6201491 is an equidigital number, since it uses as much as digits as its factorization.

6201491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 6201491 is about 2490.2793016045. The cubic root of 6201491 is about 183.7237801760.

The spelling of 6201491 in words is "six million, two hundred one thousand, four hundred ninety-one".