4520506 has 4 divisors (see below), whose sum is σ = 6780762. Its totient is φ = 2260252.

The previous prime is 4520497. The next prime is 4520519. The reversal of 4520506 is 6050254.

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

It can be written as a sum of positive squares in only one way, i.e., 4372281 + 148225 = 2091^2 + 385^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130125 + ... + 1130128.

Almost surely, 2^4520506 is an apocalyptic number.

4520506 is a deficient number, since it is larger than the sum of its proper divisors (2260256).

4520506 is a wasteful number, since it uses less digits than its factorization.

4520506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260255.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 4520506 is about 2126.1481604065. The cubic root of 4520506 is about 165.3467577477.

The spelling of 4520506 in words is "four million, five hundred twenty thousand, five hundred six".