118825589 has 2 divisors, whose sum is σ = 118825590. Its totient is φ = 118825588.

The previous prime is 118825571. The next prime is 118825633. The reversal of 118825589 is 985528811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103693489 + 15132100 = 10183^2 + 3890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118825589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118825519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59412794 + 59412795.

It is an arithmetic number, because the mean of its divisors is an integer number (59412795).

Almost surely, 2^118825589 is an apocalyptic number.

It is an amenable number.

118825589 is a deficient number, since it is larger than the sum of its proper divisors (1).

118825589 is an equidigital number, since it uses as much as digits as its factorization.

118825589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 47.

The square root of 118825589 is about 10900.7150682880. The cubic root of 118825589 is about 491.6280554696.

It can be divided in two parts, 11882 and 5589, that added together give a palindrome (17471).

The spelling of 118825589 in words is "one hundred eighteen million, eight hundred twenty-five thousand, five hundred eighty-nine".