42315265 has 8 divisors (see below), whose sum is σ = 50856768. Its totient is φ = 33799920.

The previous prime is 42315241. The next prime is 42315269. The reversal of 42315265 is 56251324.

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

It is not a de Polignac number, because 42315265 - 2⁷ = 42315137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42315269) 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, 2781 + ... + 9610.

It is an arithmetic number, because the mean of its divisors is an integer number (6357096).

Almost surely, 2^42315265 is an apocalyptic number.

It is an amenable number.

42315265 is a deficient number, since it is larger than the sum of its proper divisors (8541503).

42315265 is a wasteful number, since it uses less digits than its factorization.

42315265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13079.

The product of its digits is 7200, while the sum is 28.

The square root of 42315265 is about 6505.0184473220. The cubic root of 42315265 is about 348.4702350753.

Adding to 42315265 its reverse (56251324), we get a palindrome (98566589).

The spelling of 42315265 in words is "forty-two million, three hundred fifteen thousand, two hundred sixty-five".