164563253 has 2 divisors, whose sum is σ = 164563254. Its totient is φ = 164563252.

The previous prime is 164563219. The next prime is 164563261. The reversal of 164563253 is 352365461.

164563253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83868964 + 80694289 = 9158^2 + 8983^2 .

It is a cyclic number.

It is not a de Polignac number, because 164563253 - 2¹⁶ = 164497717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164563153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82281626 + 82281627.

It is an arithmetic number, because the mean of its divisors is an integer number (82281627).

Almost surely, 2^164563253 is an apocalyptic number.

It is an amenable number.

164563253 is a deficient number, since it is larger than the sum of its proper divisors (1).

164563253 is an equidigital number, since it uses as much as digits as its factorization.

164563253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 35.

The square root of 164563253 is about 12828.2209600552. The cubic root of 164563253 is about 547.9962937306.

The spelling of 164563253 in words is "one hundred sixty-four million, five hundred sixty-three thousand, two hundred fifty-three".