42854317 has 4 divisors (see below), whose sum is σ = 46750176. Its totient is φ = 38958460.

The previous prime is 42854303. The next prime is 42854321. The reversal of 42854317 is 71345824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42854317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42854327) 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, 1947913 + ... + 1947934.

It is an arithmetic number, because the mean of its divisors is an integer number (11687544).

Almost surely, 2^42854317 is an apocalyptic number.

It is an amenable number.

42854317 is a deficient number, since it is larger than the sum of its proper divisors (3895859).

42854317 is a wasteful number, since it uses less digits than its factorization.

42854317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895858.

The product of its digits is 26880, while the sum is 34.

The square root of 42854317 is about 6546.3208751176. The cubic root of 42854317 is about 349.9437106756.

It can be divided in two parts, 428 and 54317, that added together give a palindrome (54745).

The spelling of 42854317 in words is "forty-two million, eight hundred fifty-four thousand, three hundred seventeen".