4242015 has 24 divisors (see below), whose sum is σ = 7429968. Its totient is φ = 2238720.

The previous prime is 4241989. The next prime is 4242019. The reversal of 4242015 is 5102424.

4242015 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4242015 - 2⁸ = 4241759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4375 + ... + 5255.

It is an arithmetic number, because the mean of its divisors is an integer number (309582).

Almost surely, 2^4242015 is an apocalyptic number.

4242015 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4242015 is a deficient number, since it is larger than the sum of its proper divisors (3187953).

4242015 is a wasteful number, since it uses less digits than its factorization.

4242015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4242015 is about 2059.6152553329. The cubic root of 4242015 is about 161.8790821508.

Adding to 4242015 its reverse (5102424), we get a palindrome (9344439).

The spelling of 4242015 in words is "four million, two hundred forty-two thousand, fifteen".