118985653 has 2 divisors, whose sum is σ = 118985654. Its totient is φ = 118985652.

The previous prime is 118985641. The next prime is 118985677. The reversal of 118985653 is 356589811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111894084 + 7091569 = 10578^2 + 2663^2 .

It is a cyclic number.

It is not a de Polignac number, because 118985653 - 2⁵ = 118985621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118985453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59492826 + 59492827.

It is an arithmetic number, because the mean of its divisors is an integer number (59492827).

Almost surely, 2^118985653 is an apocalyptic number.

It is an amenable number.

118985653 is a deficient number, since it is larger than the sum of its proper divisors (1).

118985653 is an equidigital number, since it uses as much as digits as its factorization.

118985653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 46.

The square root of 118985653 is about 10908.0545011473. The cubic root of 118985653 is about 491.8487056010.

The spelling of 118985653 in words is "one hundred eighteen million, nine hundred eighty-five thousand, six hundred fifty-three".