4506566 has 4 divisors (see below), whose sum is σ = 6759852. Its totient is φ = 2253282.

The previous prime is 4506539. The next prime is 4506569. The reversal of 4506566 is 6656054.

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

It is a super-2 number, since 2×4506566² = 40618274224712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4506569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126640 + ... + 1126643.

It is an arithmetic number, because the mean of its divisors is an integer number (1689963).

Almost surely, 2^4506566 is an apocalyptic number.

4506566 is a deficient number, since it is larger than the sum of its proper divisors (2253286).

4506566 is a wasteful number, since it uses less digits than its factorization.

4506566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253285.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 4506566 is about 2122.8674004751. The cubic root of 4506566 is about 165.1766214008.

The spelling of 4506566 in words is "four million, five hundred six thousand, five hundred sixty-six".