6413506 has 16 divisors (see below), whose sum is σ = 10779840. Its totient is φ = 2836080.

The previous prime is 6413503. The next prime is 6413509. The reversal of 6413506 is 6053146.

It is an interprime number because it is at equal distance from previous prime (6413503) and next prime (6413509).

It is a super-2 number, since 2×6413506² = 82266118424072, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6413503) 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 in 7 ways as a sum of consecutive naturals, for example, 3126 + ... + 4753.

It is an arithmetic number, because the mean of its divisors is an integer number (673740).

Almost surely, 2^6413506 is an apocalyptic number.

6413506 is a deficient number, since it is larger than the sum of its proper divisors (4366334).

6413506 is a wasteful number, since it uses less digits than its factorization.

6413506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7929.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 6413506 is about 2532.4900789539. The cubic root of 6413506 is about 185.7940642870.

The spelling of 6413506 in words is "six million, four hundred thirteen thousand, five hundred six".