117611573 has 2 divisors, whose sum is σ = 117611574. Its totient is φ = 117611572.

The previous prime is 117611537. The next prime is 117611591. The reversal of 117611573 is 375116711.

Together with previous prime (117611537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104816644 + 12794929 = 10238^2 + 3577^2 .

It is a cyclic number.

It is not a de Polignac number, because 117611573 - 2²⁰ = 116562997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117611503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58805786 + 58805787.

It is an arithmetic number, because the mean of its divisors is an integer number (58805787).

Almost surely, 2^117611573 is an apocalyptic number.

It is an amenable number.

117611573 is a deficient number, since it is larger than the sum of its proper divisors (1).

117611573 is an equidigital number, since it uses as much as digits as its factorization.

117611573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 32.

The square root of 117611573 is about 10844.8869519235. The cubic root of 117611573 is about 489.9480341948.

The spelling of 117611573 in words is "one hundred seventeen million, six hundred eleven thousand, five hundred seventy-three".