42565703 has 4 divisors (see below), whose sum is σ = 43201080. Its totient is φ = 41930328.

The previous prime is 42565693. The next prime is 42565711. The reversal of 42565703 is 30756524.

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 42565703 - 2⁶ = 42565639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42565703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42565723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317588 + ... + 317721.

It is an arithmetic number, because the mean of its divisors is an integer number (10800270).

Almost surely, 2^42565703 is an apocalyptic number.

42565703 is a deficient number, since it is larger than the sum of its proper divisors (635377).

42565703 is an equidigital number, since it uses as much as digits as its factorization.

42565703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635376.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 42565703 is about 6524.2396491852. The cubic root of 42565703 is about 349.1563435550.

The spelling of 42565703 in words is "forty-two million, five hundred sixty-five thousand, seven hundred three".