42515013 has 8 divisors (see below), whose sum is σ = 57485376. Its totient is φ = 27944000.

The previous prime is 42514999. The next prime is 42515021. The reversal of 42515013 is 31051524.

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 42515013 - 2⁸ = 42514757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42515093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99588 + ... + 100013.

It is an arithmetic number, because the mean of its divisors is an integer number (7185672).

Almost surely, 2^42515013 is an apocalyptic number.

It is an amenable number.

42515013 is a deficient number, since it is larger than the sum of its proper divisors (14970363).

42515013 is a wasteful number, since it uses less digits than its factorization.

42515013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199675.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 42515013 is about 6520.3537480723. The cubic root of 42515013 is about 349.0176891607.

Adding to 42515013 its reverse (31051524), we get a palindrome (73566537).

The spelling of 42515013 in words is "forty-two million, five hundred fifteen thousand, thirteen".