4575021 has 8 divisors (see below), whose sum is σ = 6654624. Its totient is φ = 2772720.

The previous prime is 4575017. The next prime is 4575047. The reversal of 4575021 is 1205754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4575021 - 2² = 4575017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4574982 and 4575000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4575001) 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 7 ways as a sum of consecutive naturals, for example, 69286 + ... + 69351.

It is an arithmetic number, because the mean of its divisors is an integer number (831828).

Almost surely, 2^4575021 is an apocalyptic number.

It is an amenable number.

4575021 is a deficient number, since it is larger than the sum of its proper divisors (2079603).

4575021 is a wasteful number, since it uses less digits than its factorization.

4575021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138651.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 4575021 is about 2138.9298726232. The cubic root of 4575021 is about 166.0087695565.

The spelling of 4575021 in words is "four million, five hundred seventy-five thousand, twenty-one".