4581913 has 8 divisors (see below), whose sum is σ = 5417280. Its totient is φ = 3791760.

The previous prime is 4581911. The next prime is 4581919. The reversal of 4581913 is 3191854.

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

It is not a de Polignac number, because 4581913 - 2¹ = 4581911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4581911) 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, 11083 + ... + 11488.

It is an arithmetic number, because the mean of its divisors is an integer number (677160).

Almost surely, 2^4581913 is an apocalyptic number.

It is an amenable number.

4581913 is a deficient number, since it is larger than the sum of its proper divisors (835367).

4581913 is a wasteful number, since it uses less digits than its factorization.

4581913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22607.

The product of its digits is 4320, while the sum is 31.

The square root of 4581913 is about 2140.5403523410. The cubic root of 4581913 is about 166.0920885473.

The spelling of 4581913 in words is "four million, five hundred eighty-one thousand, nine hundred thirteen".