6424581 has 8 divisors (see below), whose sum is σ = 8706784. Its totient is φ = 4212720.

The previous prime is 6424553. The next prime is 6424609. The reversal of 6424581 is 1854246.

It is an interprime number because it is at equal distance from previous prime (6424553) and next prime (6424609).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6424581 - 2⁹ = 6424069 is a prime.

It is a super-2 number, since 2×6424581² = 82550482051122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17371 + ... + 17736.

It is an arithmetic number, because the mean of its divisors is an integer number (1088348).

Almost surely, 2^6424581 is an apocalyptic number.

6424581 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6424581 is a deficient number, since it is larger than the sum of its proper divisors (2282203).

6424581 is a wasteful number, since it uses less digits than its factorization.

6424581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35171.

The product of its digits is 7680, while the sum is 30.

The square root of 6424581 is about 2534.6757189037. The cubic root of 6424581 is about 185.9009473754.

The spelling of 6424581 in words is "six million, four hundred twenty-four thousand, five hundred eighty-one".