4242515 has 8 divisors (see below), whose sum is σ = 5104080. Its totient is φ = 3385312.

The previous prime is 4242473. The next prime is 4242517. The reversal of 4242515 is 5152424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4242515 - 2⁶ = 4242451 is a prime.

It is a d-powerful number, because it can be written as 4³ + 2⁹ + 4⁷ + 2²² + 5⁶ + 1 + 5⁶ .

It is not an unprimeable number, because it can be changed into a prime (4242517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1712 + ... + 3378.

It is an arithmetic number, because the mean of its divisors is an integer number (638010).

Almost surely, 2^4242515 is an apocalyptic number.

4242515 is a deficient number, since it is larger than the sum of its proper divisors (861565).

4242515 is a wasteful number, since it uses less digits than its factorization.

4242515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181.

The product of its digits is 1600, while the sum is 23.

The square root of 4242515 is about 2059.7366336500. The cubic root of 4242515 is about 161.8854420499.

Adding to 4242515 its reverse (5152424), we get a palindrome (9394939).

Subtracting 4242515 from its reverse (5152424), we obtain a palindrome (909909).

The spelling of 4242515 in words is "four million, two hundred forty-two thousand, five hundred fifteen".