118422593 has 2 divisors, whose sum is σ = 118422594. Its totient is φ = 118422592.

The previous prime is 118422587. The next prime is 118422613. The reversal of 118422593 is 395224811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115627009 + 2795584 = 10753^2 + 1672^2 .

It is an emirp because it is prime and its reverse (395224811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118422593 - 2⁶ = 118422529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (118422583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59211296 + 59211297.

It is an arithmetic number, because the mean of its divisors is an integer number (59211297).

Almost surely, 2^118422593 is an apocalyptic number.

It is an amenable number.

118422593 is a deficient number, since it is larger than the sum of its proper divisors (1).

118422593 is an equidigital number, since it uses as much as digits as its factorization.

118422593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 118422593 is about 10882.2145264647. The cubic root of 118422593 is about 491.0716418125.

The spelling of 118422593 in words is "one hundred eighteen million, four hundred twenty-two thousand, five hundred ninety-three".