117245853 has 8 divisors (see below), whose sum is σ = 173697600. Its totient is φ = 78163884.

The previous prime is 117245839. The next prime is 117245861. The reversal of 117245853 is 358542711.

117245853 is a `hidden beast` number, since 1 + 1 + 72 + 4 + 585 + 3 = 666.

It is not a de Polignac number, because 117245853 - 2¹² = 117241757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117245893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2171193 + ... + 2171246.

It is an arithmetic number, because the mean of its divisors is an integer number (21712200).

Almost surely, 2^117245853 is an apocalyptic number.

It is an amenable number.

117245853 is a deficient number, since it is larger than the sum of its proper divisors (56451747).

117245853 is an equidigital number, since it uses as much as digits as its factorization.

117245853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342448 (or 4342442 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 117245853 is about 10828.0124214927. The cubic root of 117245853 is about 489.4396662979.

The spelling of 117245853 in words is "one hundred seventeen million, two hundred forty-five thousand, eight hundred fifty-three".