4242573 has 12 divisors (see below), whose sum is σ = 6146140. Its totient is φ = 2820096.

The previous prime is 4242569. The next prime is 4242593. The reversal of 4242573 is 3752424.

It can be written as a sum of positive squares in 2 ways, for example, as 544644 + 3697929 = 738^2 + 1923^2 .

It is not a de Polignac number, because 4242573 - 2² = 4242569 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁶ + 2¹³ + 4¹¹ + 2¹⁵ + 5⁵ + 7 + 3⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5133 + ... + 5901.

Almost surely, 2^4242573 is an apocalyptic number.

It is an amenable number.

4242573 is a deficient number, since it is larger than the sum of its proper divisors (1903567).

4242573 is a wasteful number, since it uses less digits than its factorization.

4242573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1385 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 4242573 is about 2059.7507130719. The cubic root of 4242573 is about 161.8861797658.

Adding to 4242573 its reverse (3752424), we get a palindrome (7994997).

The spelling of 4242573 in words is "four million, two hundred forty-two thousand, five hundred seventy-three".