42275465 has 4 divisors (see below), whose sum is σ = 50730564. Its totient is φ = 33820368.

The previous prime is 42275411. The next prime is 42275477. The reversal of 42275465 is 56457224.

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 31595641 + 10679824 = 5621^2 + 3268^2 .

It is a cyclic number.

It is not a de Polignac number, because 42275465 - 2¹⁴ = 42259081 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

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, 4227542 + ... + 4227551.

It is an arithmetic number, because the mean of its divisors is an integer number (12682641).

Almost surely, 2^42275465 is an apocalyptic number.

It is an amenable number.

42275465 is a deficient number, since it is larger than the sum of its proper divisors (8455099).

42275465 is an equidigital number, since it uses as much as digits as its factorization.

42275465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8455098.

The product of its digits is 67200, while the sum is 35.

The square root of 42275465 is about 6501.9585510829. The cubic root of 42275465 is about 348.3609485418.

The spelling of 42275465 in words is "forty-two million, two hundred seventy-five thousand, four hundred sixty-five".