163353313 has 2 divisors, whose sum is σ = 163353314. Its totient is φ = 163353312.

The previous prime is 163353301. The next prime is 163353343. The reversal of 163353313 is 313353361.

163353313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96963409 + 66389904 = 9847^2 + 8148^2 .

It is an emirp because it is prime and its reverse (313353361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163353313 - 2²⁵ = 129798881 is a prime.

It is not a weakly prime, because it can be changed into another prime (163353343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81676656 + 81676657.

It is an arithmetic number, because the mean of its divisors is an integer number (81676657).

Almost surely, 2^163353313 is an apocalyptic number.

It is an amenable number.

163353313 is a deficient number, since it is larger than the sum of its proper divisors (1).

163353313 is an equidigital number, since it uses as much as digits as its factorization.

163353313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 28.

The square root of 163353313 is about 12780.9746498458. The cubic root of 163353313 is about 546.6499536747.

It can be divided in two parts, 1633 and 53313, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 163353313 in words is "one hundred sixty-three million, three hundred fifty-three thousand, three hundred thirteen".