117513205 has 8 divisors (see below), whose sum is σ = 141219000. Its totient is φ = 93875136.

The previous prime is 117513199. The next prime is 117513223. The reversal of 117513205 is 502315711.

It can be written as a sum of positive squares in 4 ways, for example, as 25180324 + 92332881 = 5018^2 + 9609^2 .

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 117513205 - 2⁵ = 117513173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117513205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13030 + ... + 20119.

It is an arithmetic number, because the mean of its divisors is an integer number (17652375).

Almost surely, 2^117513205 is an apocalyptic number.

It is an amenable number.

117513205 is a deficient number, since it is larger than the sum of its proper divisors (23705795).

117513205 is an equidigital number, since it uses as much as digits as its factorization.

117513205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33863.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 117513205 is about 10840.3507784573. The cubic root of 117513205 is about 489.8114018046.

Adding to 117513205 its reverse (502315711), we get a palindrome (619828916).

The spelling of 117513205 in words is "one hundred seventeen million, five hundred thirteen thousand, two hundred five".