512108117 has 4 divisors (see below), whose sum is σ = 512341740. Its totient is φ = 511874496.

The previous prime is 512108089. The next prime is 512108123. The reversal of 512108117 is 711801215.

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

It can be written as a sum of positive squares in 2 ways, for example, as 284731876 + 227376241 = 16874^2 + 15079^2 .

It is a cyclic number.

It is not a de Polignac number, because 512108117 - 2¹⁰ = 512107093 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 (512108617) 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, 113492 + ... + 117917.

It is an arithmetic number, because the mean of its divisors is an integer number (128085435).

Almost surely, 2^512108117 is an apocalyptic number.

It is an amenable number.

512108117 is a deficient number, since it is larger than the sum of its proper divisors (233623).

512108117 is a wasteful number, since it uses less digits than its factorization.

512108117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233622.

The product of its (nonzero) digits is 560, while the sum is 26.

The square root of 512108117 is about 22629.8059426059. The cubic root of 512108117 is about 800.0563069743.

The spelling of 512108117 in words is "five hundred twelve million, one hundred eight thousand, one hundred seventeen".