6413491 has 4 divisors (see below), whose sum is σ = 7329712. Its totient is φ = 5497272.

The previous prime is 6413489. The next prime is 6413503. The reversal of 6413491 is 1943146.

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 6413491 - 2¹ = 6413489 is a prime.

It is a super-2 number, since 2×6413491² = 82265733614162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6413401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458100 + ... + 458113.

It is an arithmetic number, because the mean of its divisors is an integer number (1832428).

Almost surely, 2^6413491 is an apocalyptic number.

6413491 is a deficient number, since it is larger than the sum of its proper divisors (916221).

6413491 is an equidigital number, since it uses as much as digits as its factorization.

6413491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916220.

The product of its digits is 2592, while the sum is 28.

The square root of 6413491 is about 2532.4871174401. The cubic root of 6413491 is about 185.7939194410.

The spelling of 6413491 in words is "six million, four hundred thirteen thousand, four hundred ninety-one".