42518065 has 8 divisors (see below), whose sum is σ = 51096960. Its totient is φ = 33964272.

The previous prime is 42518057. The next prime is 42518083. The reversal of 42518065 is 56081524.

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 42518065 - 2³ = 42518057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2319 + ... + 9508.

It is an arithmetic number, because the mean of its divisors is an integer number (6387120).

Almost surely, 2^42518065 is an apocalyptic number.

It is an amenable number.

42518065 is a deficient number, since it is larger than the sum of its proper divisors (8578895).

42518065 is a wasteful number, since it uses less digits than its factorization.

42518065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12551.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 42518065 is about 6520.5877802542. The cubic root of 42518065 is about 349.0260405361.

Adding to 42518065 its reverse (56081524), we get a palindrome (98599589).

The spelling of 42518065 in words is "forty-two million, five hundred eighteen thousand, sixty-five".