42583265 has 4 divisors (see below), whose sum is σ = 51099924. Its totient is φ = 34066608.

The previous prime is 42583217. The next prime is 42583273. The reversal of 42583265 is 56238524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8196769 + 34386496 = 2863^2 + 5864^2 .

It is a cyclic number.

It is not a de Polignac number, because 42583265 - 2¹⁶ = 42517729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4258322 + ... + 4258331.

It is an arithmetic number, because the mean of its divisors is an integer number (12774981).

Almost surely, 2^42583265 is an apocalyptic number.

It is an amenable number.

42583265 is a deficient number, since it is larger than the sum of its proper divisors (8516659).

42583265 is an equidigital number, since it uses as much as digits as its factorization.

42583265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8516658.

The product of its digits is 57600, while the sum is 35.

The square root of 42583265 is about 6525.5854143517. The cubic root of 42583265 is about 349.2043559230.

The spelling of 42583265 in words is "forty-two million, five hundred eighty-three thousand, two hundred sixty-five".