217076113 has 4 divisors (see below), whose sum is σ = 217115248. Its totient is φ = 217036980.

The previous prime is 217076087. The next prime is 217076117. The reversal of 217076113 is 311670712.

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-217076113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (217076117) 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, 9531 + ... + 22912.

It is an arithmetic number, because the mean of its divisors is an integer number (54278812).

Almost surely, 2^217076113 is an apocalyptic number.

It is an amenable number.

217076113 is a deficient number, since it is larger than the sum of its proper divisors (39135).

217076113 is an equidigital number, since it uses as much as digits as its factorization.

217076113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39134.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 217076113 is about 14733.5030797160. The cubic root of 217076113 is about 600.9947507993.

The spelling of 217076113 in words is "two hundred seventeen million, seventy-six thousand, one hundred thirteen".