42254365 has 4 divisors (see below), whose sum is σ = 50705244. Its totient is φ = 33803488.

The previous prime is 42254353. The next prime is 42254383. The reversal of 42254365 is 56345224.

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 26429881 + 15824484 = 5141^2 + 3978^2 .

It is a cyclic number.

It is not a de Polignac number, because 42254365 - 2⁷ = 42254237 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, 4225432 + ... + 4225441.

It is an arithmetic number, because the mean of its divisors is an integer number (12676311).

Almost surely, 2^42254365 is an apocalyptic number.

It is an amenable number.

42254365 is a deficient number, since it is larger than the sum of its proper divisors (8450879).

42254365 is an equidigital number, since it uses as much as digits as its factorization.

42254365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8450878.

The product of its digits is 28800, while the sum is 31.

The square root of 42254365 is about 6500.3357605588. The cubic root of 42254365 is about 348.3029823808.

Adding to 42254365 its reverse (56345224), we get a palindrome (98599589).

The spelling of 42254365 in words is "forty-two million, two hundred fifty-four thousand, three hundred sixty-five".