42352917 has 4 divisors (see below), whose sum is σ = 56470560. Its totient is φ = 28235276.

The previous prime is 42352909. The next prime is 42352943. The reversal of 42352917 is 71925324.

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 not a de Polignac number, because 42352917 - 2³ = 42352909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42352907) 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, 7058817 + ... + 7058822.

It is an arithmetic number, because the mean of its divisors is an integer number (14117640).

Almost surely, 2^42352917 is an apocalyptic number.

It is an amenable number.

42352917 is a deficient number, since it is larger than the sum of its proper divisors (14117643).

42352917 is a wasteful number, since it uses less digits than its factorization.

42352917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14117642.

The product of its digits is 15120, while the sum is 33.

The square root of 42352917 is about 6507.9118770924. The cubic root of 42352917 is about 348.5735603698.

The spelling of 42352917 in words is "forty-two million, three hundred fifty-two thousand, nine hundred seventeen".