163285433 has 2 divisors, whose sum is σ = 163285434. Its totient is φ = 163285432.

The previous prime is 163285427. The next prime is 163285439. The reversal of 163285433 is 334582361.

It is a balanced prime because it is at equal distance from previous prime (163285427) and next prime (163285439).

It can be written as a sum of positive squares in only one way, i.e., 142014889 + 21270544 = 11917^2 + 4612^2 .

It is an emirp because it is prime and its reverse (334582361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163285433 - 2²⁴ = 146508217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163285393 and 163285402.

It is not a weakly prime, because it can be changed into another prime (163285439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81642716 + 81642717.

It is an arithmetic number, because the mean of its divisors is an integer number (81642717).

Almost surely, 2^163285433 is an apocalyptic number.

It is an amenable number.

163285433 is a deficient number, since it is larger than the sum of its proper divisors (1).

163285433 is an equidigital number, since it uses as much as digits as its factorization.

163285433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 163285433 is about 12778.3188643890. The cubic root of 163285433 is about 546.5742246937.

The spelling of 163285433 in words is "one hundred sixty-three million, two hundred eighty-five thousand, four hundred thirty-three".