42852317 has 4 divisors (see below), whose sum is σ = 43554876. Its totient is φ = 42149760.

The previous prime is 42852311. The next prime is 42852331. The reversal of 42852317 is 71325824.

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 5812921 + 37039396 = 2411^2 + 6086^2 .

It is a cyclic number.

It is not a de Polignac number, because 42852317 - 2¹⁰ = 42851293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42852311) 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, 351188 + ... + 351309.

It is an arithmetic number, because the mean of its divisors is an integer number (10888719).

Almost surely, 2^42852317 is an apocalyptic number.

It is an amenable number.

42852317 is a deficient number, since it is larger than the sum of its proper divisors (702559).

42852317 is an equidigital number, since it uses as much as digits as its factorization.

42852317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702558.

The product of its digits is 13440, while the sum is 32.

The square root of 42852317 is about 6546.1681157758. The cubic root of 42852317 is about 349.9382666631.

The spelling of 42852317 in words is "forty-two million, eight hundred fifty-two thousand, three hundred seventeen".