42201659 has 4 divisors (see below), whose sum is σ = 42383016. Its totient is φ = 42020304.

The previous prime is 42201647. The next prime is 42201661. The reversal of 42201659 is 95610224.

It is a happy number.

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 42201659 - 2⁸ = 42201403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42201689) 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, 90329 + ... + 90794.

It is an arithmetic number, because the mean of its divisors is an integer number (10595754).

Almost surely, 2^42201659 is an apocalyptic number.

42201659 is a deficient number, since it is larger than the sum of its proper divisors (181357).

42201659 is a wasteful number, since it uses less digits than its factorization.

42201659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181356.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 42201659 is about 6496.2803972735. The cubic root of 42201659 is about 348.1581035019.

The spelling of 42201659 in words is "forty-two million, two hundred one thousand, six hundred fifty-nine".