42275617 has 4 divisors (see below), whose sum is σ = 44762436. Its totient is φ = 39788800.

The previous prime is 42275603. The next prime is 42275647. The reversal of 42275617 is 71657224.

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 39050001 + 3225616 = 6249^2 + 1796^2 .

It is a cyclic number.

It is not a de Polignac number, because 42275617 - 2⁷ = 42275489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42275647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243384 + ... + 1243417.

It is an arithmetic number, because the mean of its divisors is an integer number (11190609).

Almost surely, 2^42275617 is an apocalyptic number.

It is an amenable number.

42275617 is a deficient number, since it is larger than the sum of its proper divisors (2486819).

42275617 is a wasteful number, since it uses less digits than its factorization.

42275617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486818.

The product of its digits is 23520, while the sum is 34.

The square root of 42275617 is about 6501.9702398581. The cubic root of 42275617 is about 348.3613660480.

The spelling of 42275617 in words is "forty-two million, two hundred seventy-five thousand, six hundred seventeen".