42505795 has 4 divisors (see below), whose sum is σ = 51006960. Its totient is φ = 34004632.

The previous prime is 42505787. The next prime is 42505819. The reversal of 42505795 is 59750524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42505795 - 2³ = 42505787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4250575 + ... + 4250584.

It is an arithmetic number, because the mean of its divisors is an integer number (12751740).

Almost surely, 2^42505795 is an apocalyptic number.

42505795 is a deficient number, since it is larger than the sum of its proper divisors (8501165).

42505795 is an equidigital number, since it uses as much as digits as its factorization.

42505795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8501164.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 42505795 is about 6519.6468462640. The cubic root of 42505795 is about 348.9924629533.

The spelling of 42505795 in words is "forty-two million, five hundred five thousand, seven hundred ninety-five".