42697163 has 4 divisors (see below), whose sum is σ = 43075128. Its totient is φ = 42319200.

The previous prime is 42697159. The next prime is 42697181. The reversal of 42697163 is 36179624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42697163 - 2² = 42697159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42697063) 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, 188813 + ... + 189038.

It is an arithmetic number, because the mean of its divisors is an integer number (10768782).

Almost surely, 2^42697163 is an apocalyptic number.

42697163 is a deficient number, since it is larger than the sum of its proper divisors (377965).

42697163 is a wasteful number, since it uses less digits than its factorization.

42697163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377964.

The product of its digits is 54432, while the sum is 38.

The square root of 42697163 is about 6534.3066196805. The cubic root of 42697163 is about 349.5154191954.

The spelling of 42697163 in words is "forty-two million, six hundred ninety-seven thousand, one hundred sixty-three".