4509473 has 4 divisors (see below), whose sum is σ = 4563888. Its totient is φ = 4455060.

The previous prime is 4509469. The next prime is 4509493. The reversal of 4509473 is 3749054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3749054 = 2 ⋅1874527.

It is a cyclic number.

It is not a de Polignac number, because 4509473 - 2² = 4509469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4509493) 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, 27083 + ... + 27248.

It is an arithmetic number, because the mean of its divisors is an integer number (1140972).

Almost surely, 2^4509473 is an apocalyptic number.

It is an amenable number.

4509473 is a deficient number, since it is larger than the sum of its proper divisors (54415).

4509473 is an equidigital number, since it uses as much as digits as its factorization.

4509473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54414.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 4509473 is about 2123.5519772306. The cubic root of 4509473 is about 165.2121299772.

The spelling of 4509473 in words is "four million, five hundred nine thousand, four hundred seventy-three".