117842533 has 4 divisors (see below), whose sum is σ = 117869920. Its totient is φ = 117815148.

The previous prime is 117842509. The next prime is 117842537. The reversal of 117842533 is 335248711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117842533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117842537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5673 + ... + 16366.

It is an arithmetic number, because the mean of its divisors is an integer number (29467480).

Almost surely, 2^117842533 is an apocalyptic number.

It is an amenable number.

117842533 is a deficient number, since it is larger than the sum of its proper divisors (27387).

117842533 is an equidigital number, since it uses as much as digits as its factorization.

117842533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27386.

The product of its digits is 20160, while the sum is 34.

The square root of 117842533 is about 10855.5300653630. The cubic root of 117842533 is about 490.2685366876.

The spelling of 117842533 in words is "one hundred seventeen million, eight hundred forty-two thousand, five hundred thirty-three".