164325233 has 2 divisors, whose sum is σ = 164325234. Its totient is φ = 164325232.

The previous prime is 164325229. The next prime is 164325257. The reversal of 164325233 is 332523461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144192064 + 20133169 = 12008^2 + 4487^2 .

It is a cyclic number.

It is not a de Polignac number, because 164325233 - 2² = 164325229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164325196 and 164325205.

It is not a weakly prime, because it can be changed into another prime (164328233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82162616 + 82162617.

It is an arithmetic number, because the mean of its divisors is an integer number (82162617).

Almost surely, 2^164325233 is an apocalyptic number.

It is an amenable number.

164325233 is a deficient number, since it is larger than the sum of its proper divisors (1).

164325233 is an equidigital number, since it uses as much as digits as its factorization.

164325233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

The square root of 164325233 is about 12818.9404008288. The cubic root of 164325233 is about 547.7319637308.

Adding to 164325233 its reverse (332523461), we get a palindrome (496848694).

The spelling of 164325233 in words is "one hundred sixty-four million, three hundred twenty-five thousand, two hundred thirty-three".