117825543 has 16 divisors (see below), whose sum is σ = 190425600. Its totient is φ = 71409240.

The previous prime is 117825529. The next prime is 117825557. The reversal of 117825543 is 345528711.

It is an interprime number because it is at equal distance from previous prime (117825529) and next prime (117825557).

It is not a de Polignac number, because 117825543 - 2¹⁷ = 117694471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117825498 and 117825507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117825523) 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 15 ways as a sum of consecutive naturals, for example, 198063 + ... + 198656.

It is an arithmetic number, because the mean of its divisors is an integer number (11901600).

Almost surely, 2^117825543 is an apocalyptic number.

117825543 is a deficient number, since it is larger than the sum of its proper divisors (72600057).

117825543 is a wasteful number, since it uses less digits than its factorization.

117825543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396739 (or 396733 counting only the distinct ones).

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

The square root of 117825543 is about 10854.7474866991. The cubic root of 117825543 is about 490.2449739932.

The spelling of 117825543 in words is "one hundred seventeen million, eight hundred twenty-five thousand, five hundred forty-three".