4242571 has 4 divisors (see below), whose sum is σ = 4492152. Its totient is φ = 3992992.

The previous prime is 4242569. The next prime is 4242593. The reversal of 4242571 is 1752424.

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

It is a cyclic number.

It is not a de Polignac number, because 4242571 - 2¹ = 4242569 is a prime.

It is a Duffinian number.

4242571 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4242551) 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, 124765 + ... + 124798.

It is an arithmetic number, because the mean of its divisors is an integer number (1123038).

Almost surely, 2^4242571 is an apocalyptic number.

4242571 is a deficient number, since it is larger than the sum of its proper divisors (249581).

4242571 is a wasteful number, since it uses less digits than its factorization.

4242571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249580.

The product of its digits is 2240, while the sum is 25.

The square root of 4242571 is about 2059.7502275761. The cubic root of 4242571 is about 161.8861543274.

Adding to 4242571 its reverse (1752424), we get a palindrome (5994995).

The spelling of 4242571 in words is "four million, two hundred forty-two thousand, five hundred seventy-one".