4242003 has 4 divisors (see below), whose sum is σ = 5656008. Its totient is φ = 2828000.

The previous prime is 4241989. The next prime is 4242019. The reversal of 4242003 is 3002424.

It is a happy number.

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 4242003 - 2⁴ = 4241987 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4242023) 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, 706998 + ... + 707003.

It is an arithmetic number, because the mean of its divisors is an integer number (1414002).

Almost surely, 2^4242003 is an apocalyptic number.

4242003 is a deficient number, since it is larger than the sum of its proper divisors (1414005).

4242003 is a wasteful number, since it uses less digits than its factorization.

4242003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414004.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4242003 is about 2059.6123421654. The cubic root of 4242003 is about 161.8789295071.

Adding to 4242003 its reverse (3002424), we get a palindrome (7244427).

The spelling of 4242003 in words is "four million, two hundred forty-two thousand, three".