42516065 has 16 divisors (see below), whose sum is σ = 54286848. Its totient is φ = 31854336.

The previous prime is 42516043. The next prime is 42516073. The reversal of 42516065 is 56061524.

It is a cyclic number.

It is not a de Polignac number, because 42516065 - 2²² = 38321761 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17834 + ... + 20076.

It is an arithmetic number, because the mean of its divisors is an integer number (3392928).

Almost surely, 2^42516065 is an apocalyptic number.

It is an amenable number.

42516065 is a deficient number, since it is larger than the sum of its proper divisors (11770783).

42516065 is a wasteful number, since it uses less digits than its factorization.

42516065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 42516065 is about 6520.4344180430. The cubic root of 42516065 is about 349.0205678582.

Adding to 42516065 its reverse (56061524), we get a palindrome (98577589).

The spelling of 42516065 in words is "forty-two million, five hundred sixteen thousand, sixty-five".