117812573 has 2 divisors, whose sum is σ = 117812574. Its totient is φ = 117812572.

The previous prime is 117812507. The next prime is 117812579. The reversal of 117812573 is 375218711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117787609 + 24964 = 10853^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 117812573 - 2¹⁸ = 117550429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117812579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58906286 + 58906287.

It is an arithmetic number, because the mean of its divisors is an integer number (58906287).

Almost surely, 2^117812573 is an apocalyptic number.

It is an amenable number.

117812573 is a deficient number, since it is larger than the sum of its proper divisors (1).

117812573 is an equidigital number, since it uses as much as digits as its factorization.

117812573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 35.

The square root of 117812573 is about 10854.1500358158. The cubic root of 117812573 is about 490.2269849378.

The spelling of 117812573 in words is "one hundred seventeen million, eight hundred twelve thousand, five hundred seventy-three".