117285433 has 4 divisors (see below), whose sum is σ = 117311220. Its totient is φ = 117259648.

The previous prime is 117285409. The next prime is 117285457. The reversal of 117285433 is 334582711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 334582711 = 83 ⋅4031117.

It is an interprime number because it is at equal distance from previous prime (117285409) and next prime (117285457).

It can be written as a sum of positive squares in 2 ways, for example, as 109265209 + 8020224 = 10453^2 + 2832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117285433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117285463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4048 + ... + 15841.

It is an arithmetic number, because the mean of its divisors is an integer number (29327805).

Almost surely, 2^117285433 is an apocalyptic number.

It is an amenable number.

117285433 is a deficient number, since it is larger than the sum of its proper divisors (25787).

117285433 is an equidigital number, since it uses as much as digits as its factorization.

117285433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25786.

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

The square root of 117285433 is about 10829.8399341819. The cubic root of 117285433 is about 489.4947353175.

It can be divided in two parts, 11728 and 5433, that added together give a square (17161 = 131²).

The spelling of 117285433 in words is "one hundred seventeen million, two hundred eighty-five thousand, four hundred thirty-three".