4520817 has 24 divisors (see below), whose sum is σ = 7572864. Its totient is φ = 2545344.

The previous prime is 4520807. The next prime is 4520843. The reversal of 4520817 is 7180254.

It is not a de Polignac number, because 4520817 - 2⁶ = 4520753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520807) 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 23 ways as a sum of consecutive naturals, for example, 4108 + ... + 5090.

It is an arithmetic number, because the mean of its divisors is an integer number (315536).

Almost surely, 2^4520817 is an apocalyptic number.

It is an amenable number.

4520817 is a deficient number, since it is larger than the sum of its proper divisors (3052047).

4520817 is a wasteful number, since it uses less digits than its factorization.

4520817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 4520817 is about 2126.2212961025. The cubic root of 4520817 is about 165.3505494812.

The spelling of 4520817 in words is "four million, five hundred twenty thousand, eight hundred seventeen".