117584249 has 2 divisors, whose sum is σ = 117584250. Its totient is φ = 117584248.

The previous prime is 117584237. The next prime is 117584251. The reversal of 117584249 is 942485711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64513024 + 53071225 = 8032^2 + 7285^2 .

It is a cyclic number.

It is not a de Polignac number, because 117584249 - 2²⁰ = 116535673 is a prime.

It is a super-2 number, since 2×117584249² = 27652111225788002, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 117584251, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (117584279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58792124 + 58792125.

It is an arithmetic number, because the mean of its divisors is an integer number (58792125).

Almost surely, 2^117584249 is an apocalyptic number.

It is an amenable number.

117584249 is a deficient number, since it is larger than the sum of its proper divisors (1).

117584249 is an equidigital number, since it uses as much as digits as its factorization.

117584249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The square root of 117584249 is about 10843.6271145775. The cubic root of 117584249 is about 489.9100890147.

The spelling of 117584249 in words is "one hundred seventeen million, five hundred eighty-four thousand, two hundred forty-nine".