413506581 has 32 divisors (see below), whose sum is σ = 588736512. Its totient is φ = 257611200.

The previous prime is 413506579. The next prime is 413506591. The reversal of 413506581 is 185605314.

It is not a de Polignac number, because 413506581 - 2¹ = 413506579 is a prime.

It is a super-2 number, since 2×413506581² = 341975385060619122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413506501) 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 31 ways as a sum of consecutive naturals, for example, 589531 + ... + 590231.

It is an arithmetic number, because the mean of its divisors is an integer number (18398016).

Almost surely, 2^413506581 is an apocalyptic number.

It is an amenable number.

413506581 is a deficient number, since it is larger than the sum of its proper divisors (175229931).

413506581 is a wasteful number, since it uses less digits than its factorization.

413506581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 413506581 is about 20334.8612240163. The cubic root of 413506581 is about 745.0077809496.

The spelling of 413506581 in words is "four hundred thirteen million, five hundred six thousand, five hundred eighty-one".