42115065 has 16 divisors (see below), whose sum is σ = 69206208. Its totient is φ = 21854016.

The previous prime is 42115049. The next prime is 42115079. The reversal of 42115065 is 56051124.

It is not a de Polignac number, because 42115065 - 2⁴ = 42115049 is a prime.

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, 37387 + ... + 38496.

It is an arithmetic number, because the mean of its divisors is an integer number (4325388).

Almost surely, 2^42115065 is an apocalyptic number.

It is an amenable number.

42115065 is a deficient number, since it is larger than the sum of its proper divisors (27091143).

42115065 is a wasteful number, since it uses less digits than its factorization.

42115065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75928.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 42115065 is about 6489.6120839385. The cubic root of 42115065 is about 347.9198107612.

Adding to 42115065 its reverse (56051124), we get a palindrome (98166189).

The spelling of 42115065 in words is "forty-two million, one hundred fifteen thousand, sixty-five".