4520479 has 4 divisors (see below), whose sum is σ = 4548376. Its totient is φ = 4492584.

The previous prime is 4520449. The next prime is 4520497. The reversal of 4520479 is 9740254.

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

It is a cyclic number.

It is not a de Polignac number, because 4520479 - 2¹¹ = 4518431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4520479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520449) 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 3 ways as a sum of consecutive naturals, for example, 13704 + ... + 14029.

It is an arithmetic number, because the mean of its divisors is an integer number (1137094).

Almost surely, 2^4520479 is an apocalyptic number.

4520479 is a deficient number, since it is larger than the sum of its proper divisors (27897).

4520479 is a wasteful number, since it uses less digits than its factorization.

4520479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27896.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 4520479 is about 2126.1418108866. The cubic root of 4520479 is about 165.3464285536.

The spelling of 4520479 in words is "four million, five hundred twenty thousand, four hundred seventy-nine".