42383515 has 4 divisors (see below), whose sum is σ = 50860224. Its totient is φ = 33906808.

The previous prime is 42383513. The next prime is 42383531. The reversal of 42383515 is 51538324.

42383515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42383515 - 2¹ = 42383513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42383513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4238347 + ... + 4238356.

It is an arithmetic number, because the mean of its divisors is an integer number (12715056).

Almost surely, 2^42383515 is an apocalyptic number.

42383515 is a deficient number, since it is larger than the sum of its proper divisors (8476709).

42383515 is an equidigital number, since it uses as much as digits as its factorization.

42383515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8476708.

The product of its digits is 14400, while the sum is 31.

The square root of 42383515 is about 6510.2622835029. The cubic root of 42383515 is about 348.6574828566.

It can be divided in two parts, 423 and 83515, that added together give a palindrome (83938).

The spelling of 42383515 in words is "forty-two million, three hundred eighty-three thousand, five hundred fifteen".