117573149 has 2 divisors, whose sum is σ = 117573150. Its totient is φ = 117573148.

The previous prime is 117573119. The next prime is 117573151. The reversal of 117573149 is 941375711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117570649 + 2500 = 10843^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 117573149 - 2¹⁶ = 117507613 is a prime.

Together with 117573151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117573119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58786574 + 58786575.

It is an arithmetic number, because the mean of its divisors is an integer number (58786575).

Almost surely, 2^117573149 is an apocalyptic number.

It is an amenable number.

117573149 is a deficient number, since it is larger than the sum of its proper divisors (1).

117573149 is an equidigital number, since it uses as much as digits as its factorization.

117573149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 38.

The square root of 117573149 is about 10843.1152811358. The cubic root of 117573149 is about 489.8946726270.

The spelling of 117573149 in words is "one hundred seventeen million, five hundred seventy-three thousand, one hundred forty-nine".