2117872301 has 4 divisors (see below), whose sum is σ = 2138434272. Its totient is φ = 2097310332.

The previous prime is 2117872279. The next prime is 2117872313. The reversal of 2117872301 is 1032787112.

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-2117872301 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 (2117872321) 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, 10280831 + ... + 10281036.

It is an arithmetic number, because the mean of its divisors is an integer number (534608568).

Almost surely, 2^2117872301 is an apocalyptic number.

It is an amenable number.

2117872301 is a deficient number, since it is larger than the sum of its proper divisors (20561971).

2117872301 is a wasteful number, since it uses less digits than its factorization.

2117872301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20561970.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 2117872301 is about 46020.3465979995. The cubic root of 2117872301 is about 1284.2017482132.

The spelling of 2117872301 in words is "two billion, one hundred seventeen million, eight hundred seventy-two thousand, three hundred one".