4581013 has 4 divisors (see below), whose sum is σ = 4600908. Its totient is φ = 4561120.

The previous prime is 4581011. The next prime is 4581037. The reversal of 4581013 is 3101854.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1697809 + 2883204 = 1303^2 + 1698^2 .

It is a cyclic number.

It is not a de Polignac number, because 4581013 - 2¹ = 4581011 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 (4581011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9598 + ... + 10063.

It is an arithmetic number, because the mean of its divisors is an integer number (1150227).

Almost surely, 2^4581013 is an apocalyptic number.

It is an amenable number.

4581013 is a deficient number, since it is larger than the sum of its proper divisors (19895).

4581013 is a wasteful number, since it uses less digits than its factorization.

4581013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19894.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 4581013 is about 2140.3301147253. The cubic root of 4581013 is about 166.0812129830.

Adding to 4581013 its reverse (3101854), we get a palindrome (7682867).

The spelling of 4581013 in words is "four million, five hundred eighty-one thousand, thirteen".