42254565 has 16 divisors (see below), whose sum is σ = 70547328. Its totient is φ = 21555776.

The previous prime is 42254543. The next prime is 42254579. The reversal of 42254565 is 56545224.

It is a cyclic number.

It is not a de Polignac number, because 42254565 - 2⁵ = 42254533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60894 + ... + 61583.

It is an arithmetic number, because the mean of its divisors is an integer number (4409208).

Almost surely, 2^42254565 is an apocalyptic number.

It is an amenable number.

42254565 is a deficient number, since it is larger than the sum of its proper divisors (28292763).

42254565 is a wasteful number, since it uses less digits than its factorization.

42254565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122508.

The product of its digits is 48000, while the sum is 33.

The square root of 42254565 is about 6500.3511443614. The cubic root of 42254565 is about 348.3035319137.

Adding to 42254565 its reverse (56545224), we get a palindrome (98799789).

The spelling of 42254565 in words is "forty-two million, two hundred fifty-four thousand, five hundred sixty-five".