42919315 has 8 divisors (see below), whose sum is σ = 51580080. Its totient is φ = 34284192.

The previous prime is 42919313. The next prime is 42919343. The reversal of 42919315 is 51391924.

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 42919315 - 2¹ = 42919313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42919313) 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, 2509 + ... + 9598.

It is an arithmetic number, because the mean of its divisors is an integer number (6447510).

Almost surely, 2^42919315 is an apocalyptic number.

42919315 is a deficient number, since it is larger than the sum of its proper divisors (8660765).

42919315 is a wasteful number, since it uses less digits than its factorization.

42919315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12821.

The product of its digits is 9720, while the sum is 34.

The square root of 42919315 is about 6551.2834620401. The cubic root of 42919315 is about 350.1205435129.

It can be divided in two parts, 42919 and 315, that added together give a palindrome (43234).

The spelling of 42919315 in words is "forty-two million, nine hundred nineteen thousand, three hundred fifteen".