42014815 has 4 divisors (see below), whose sum is σ = 50417784. Its totient is φ = 33611848.

The previous prime is 42014809. The next prime is 42014821. The reversal of 42014815 is 51841024.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42014809) and next prime (42014821).

It is a cyclic number.

It is not a de Polignac number, because 42014815 - 2⁵ = 42014783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42014815.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4201477 + ... + 4201486.

It is an arithmetic number, because the mean of its divisors is an integer number (12604446).

Almost surely, 2^42014815 is an apocalyptic number.

42014815 is a deficient number, since it is larger than the sum of its proper divisors (8402969).

42014815 is an equidigital number, since it uses as much as digits as its factorization.

42014815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402968.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 42014815 is about 6481.8835996954. The cubic root of 42014815 is about 347.6435305846.

Adding to 42014815 its reverse (51841024), we get a palindrome (93855839).

The spelling of 42014815 in words is "forty-two million, fourteen thousand, eight hundred fifteen".