42654565 has 4 divisors (see below), whose sum is σ = 51185484. Its totient is φ = 34123648.

The previous prime is 42654553. The next prime is 42654593. The reversal of 42654565 is 56545624.

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 19633761 + 23020804 = 4431^2 + 4798^2 .

It is a cyclic number.

It is not a de Polignac number, because 42654565 - 2⁵ = 42654533 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 4265452 + ... + 4265461.

It is an arithmetic number, because the mean of its divisors is an integer number (12796371).

Almost surely, 2^42654565 is an apocalyptic number.

It is an amenable number.

42654565 is a deficient number, since it is larger than the sum of its proper divisors (8530919).

42654565 is an equidigital number, since it uses as much as digits as its factorization.

42654565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8530918.

The product of its digits is 144000, while the sum is 37.

The square root of 42654565 is about 6531.0462408407. The cubic root of 42654565 is about 349.3991459594.

The spelling of 42654565 in words is "forty-two million, six hundred fifty-four thousand, five hundred sixty-five".