42608197 has 4 divisors (see below), whose sum is σ = 42759040. Its totient is φ = 42457356.

The previous prime is 42608191. The next prime is 42608219. The reversal of 42608197 is 79180624.

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-42608197 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 (42608191) 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, 74997 + ... + 75562.

It is an arithmetic number, because the mean of its divisors is an integer number (10689760).

Almost surely, 2^42608197 is an apocalyptic number.

It is an amenable number.

42608197 is a deficient number, since it is larger than the sum of its proper divisors (150843).

42608197 is a wasteful number, since it uses less digits than its factorization.

42608197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150842.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 42608197 is about 6527.4954615074. The cubic root of 42608197 is about 349.2724943055.

The spelling of 42608197 in words is "forty-two million, six hundred eight thousand, one hundred ninety-seven".