4413521 has 8 divisors (see below), whose sum is σ = 5083584. Its totient is φ = 3753360.

The previous prime is 4413511. The next prime is 4413547. The reversal of 4413521 is 1253144.

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

It is a cyclic number.

It is not a de Polignac number, because 4413521 - 2⁶ = 4413457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4413493 and 4413502.

It is not an unprimeable number, because it can be changed into a prime (4413511) 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, 1490 + ... + 3323.

It is an arithmetic number, because the mean of its divisors is an integer number (635448).

Almost surely, 2^4413521 is an apocalyptic number.

It is an amenable number.

4413521 is a deficient number, since it is larger than the sum of its proper divisors (670063).

4413521 is a wasteful number, since it uses less digits than its factorization.

4413521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951.

The product of its digits is 480, while the sum is 20.

The square root of 4413521 is about 2100.8381660661. The cubic root of 4413521 is about 164.0319316170.

Adding to 4413521 its reverse (1253144), we get a palindrome (5666665).

The spelling of 4413521 in words is "four million, four hundred thirteen thousand, five hundred twenty-one".