4564520 has 16 divisors (see below), whose sum is σ = 10270260. Its totient is φ = 1825792.

The previous prime is 4564487. The next prime is 4564523. The reversal of 4564520 is 254654.

It can be written as a sum of positive squares in 2 ways, for example, as 4008004 + 556516 = 2002^2 + 746^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4564520.

It is not an unprimeable number, because it can be changed into a prime (4564523) 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, 57017 + ... + 57096.

Almost surely, 2^4564520 is an apocalyptic number.

4564520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4564520 is an abundant number, since it is smaller than the sum of its proper divisors (5705740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4564520 is a wasteful number, since it uses less digits than its factorization.

4564520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114124 (or 114120 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4564520 is about 2136.4737302387. The cubic root of 4564520 is about 165.8816594986.

The spelling of 4564520 in words is "four million, five hundred sixty-four thousand, five hundred twenty".