42894565 has 8 divisors (see below), whose sum is σ = 58826880. Its totient is φ = 29413392.

The previous prime is 42894559. The next prime is 42894611. The reversal of 42894565 is 56549824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42894565 - 2³ = 42894557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612745 + ... + 612814.

It is an arithmetic number, because the mean of its divisors is an integer number (7353360).

Almost surely, 2^42894565 is an apocalyptic number.

It is an amenable number.

42894565 is a deficient number, since it is larger than the sum of its proper divisors (15932315).

42894565 is a wasteful number, since it uses less digits than its factorization.

42894565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225571.

The product of its digits is 345600, while the sum is 43.

The square root of 42894565 is about 6549.3942467987. The cubic root of 42894565 is about 350.0532299993.

The spelling of 42894565 in words is "forty-two million, eight hundred ninety-four thousand, five hundred sixty-five".