2117510213 has 8 divisors (see below), whose sum is σ = 2606166528. Its totient is φ = 1675392624.

The previous prime is 2117510179. The next prime is 2117510237. The reversal of 2117510213 is 3120157112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2117510213 - 2²⁸ = 1849074757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117510713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11634581 + ... + 11634762.

It is an arithmetic number, because the mean of its divisors is an integer number (325770816).

Almost surely, 2^2117510213 is an apocalyptic number.

It is an amenable number.

2117510213 is a deficient number, since it is larger than the sum of its proper divisors (488656315).

2117510213 is a wasteful number, since it uses less digits than its factorization.

2117510213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23269363.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 2117510213 is about 46016.4124307839. The cubic root of 2117510213 is about 1284.1285583196.

Adding to 2117510213 its reverse (3120157112), we get a palindrome (5237667325).

The spelling of 2117510213 in words is "two billion, one hundred seventeen million, five hundred ten thousand, two hundred thirteen".