6005491 has 4 divisors (see below), whose sum is σ = 6087832. Its totient is φ = 5923152.

The previous prime is 6005477. The next prime is 6005497. The reversal of 6005491 is 1945006.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6005491 - 2⁵ = 6005459 is a prime.

It is a Duffinian number.

6005491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6005497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41061 + ... + 41206.

It is an arithmetic number, because the mean of its divisors is an integer number (1521958).

Almost surely, 2^6005491 is an apocalyptic number.

6005491 is a deficient number, since it is larger than the sum of its proper divisors (82341).

6005491 is an equidigital number, since it uses as much as digits as its factorization.

6005491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82340.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 6005491 is about 2450.6103321418. The cubic root of 6005491 is about 181.7674746551.

The spelling of 6005491 in words is "six million, five thousand, four hundred ninety-one".