42565465 has 8 divisors (see below), whose sum is σ = 51114888. Its totient is φ = 34028160.

The previous prime is 42565463. The next prime is 42565477. The reversal of 42565465 is 56456524.

It can be written as a sum of positive squares in 4 ways, for example, as 2862864 + 39702601 = 1692^2 + 6301^2 .

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

It is not a de Polignac number, because 42565465 - 2¹ = 42565463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42565463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9189 + ... + 13021.

It is an arithmetic number, because the mean of its divisors is an integer number (6389361).

Almost surely, 2^42565465 is an apocalyptic number.

It is an amenable number.

42565465 is a deficient number, since it is larger than the sum of its proper divisors (8549423).

42565465 is a wasteful number, since it uses less digits than its factorization.

42565465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6059.

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

The square root of 42565465 is about 6524.2214094863. The cubic root of 42565465 is about 349.1556928013.

The spelling of 42565465 in words is "forty-two million, five hundred sixty-five thousand, four hundred sixty-five".