4574621 has 4 divisors (see below), whose sum is σ = 4616700. Its totient is φ = 4532544.

The previous prime is 4574599. The next prime is 4574659. The reversal of 4574621 is 1264754.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2515396 + 2059225 = 1586^2 + 1435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4574621 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 5⁹ + 7² + 4⁹ + 6 + 2²¹ + 1 .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4574671) 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, 20876 + ... + 21093.

It is an arithmetic number, because the mean of its divisors is an integer number (1154175).

Almost surely, 2^4574621 is an apocalyptic number.

It is an amenable number.

4574621 is a deficient number, since it is larger than the sum of its proper divisors (42079).

4574621 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 12 representation: 4574621 = (1647425)₁₂.

4574621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42078.

The product of its digits is 6720, while the sum is 29.

The square root of 4574621 is about 2138.8363658775. The cubic root of 4574621 is about 166.0039312951.

The spelling of 4574621 in words is "four million, five hundred seventy-four thousand, six hundred twenty-one".