4573021 has 4 divisors (see below), whose sum is σ = 4771872. Its totient is φ = 4374172.

The previous prime is 4573001. The next prime is 4573033. The reversal of 4573021 is 1203754.

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.

It is a cyclic number.

It is not a de Polignac number, because 4573021 - 2⁵ = 4572989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4572983 and 4573001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4573001) 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 3 ways as a sum of consecutive naturals, for example, 99391 + ... + 99436.

It is an arithmetic number, because the mean of its divisors is an integer number (1192968).

Almost surely, 2^4573021 is an apocalyptic number.

It is an amenable number.

4573021 is a deficient number, since it is larger than the sum of its proper divisors (198851).

4573021 is a wasteful number, since it uses less digits than its factorization.

4573021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198850.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 4573021 is about 2138.4622980076. The cubic root of 4573021 is about 165.9845754285.

Adding to 4573021 its reverse (1203754), we get a palindrome (5776775).

The spelling of 4573021 in words is "four million, five hundred seventy-three thousand, twenty-one".