42669265 has 4 divisors (see below), whose sum is σ = 51203124. Its totient is φ = 34135408.

The previous prime is 42669259. The next prime is 42669271. The reversal of 42669265 is 56296624.

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

It is an interprime number because it is at equal distance from previous prime (42669259) and next prime (42669271).

It can be written as a sum of positive squares in 2 ways, for example, as 32216976 + 10452289 = 5676^2 + 3233^2 .

It is a cyclic number.

It is not a de Polignac number, because 42669265 - 2³ = 42669257 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 4266922 + ... + 4266931.

It is an arithmetic number, because the mean of its divisors is an integer number (12800781).

Almost surely, 2^42669265 is an apocalyptic number.

It is an amenable number.

42669265 is a deficient number, since it is larger than the sum of its proper divisors (8533859).

42669265 is an equidigital number, since it uses as much as digits as its factorization.

42669265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8533858.

The product of its digits is 155520, while the sum is 40.

The square root of 42669265 is about 6532.1715378578. The cubic root of 42669265 is about 349.4392790419.

It can be divided in two parts, 4266 and 9265, that added together give a palindrome (13531).

The spelling of 42669265 in words is "forty-two million, six hundred sixty-nine thousand, two hundred sixty-five".