Search a number
-
+
164163253 is a prime number
BaseRepresentation
bin10011100100011…
…10111010110101
3102102220100122111
421302032322311
5314011211003
624142331021
74032236032
oct1162167265
9372810574
10164163253
1184736311
1246b89a71
132801a727
1417b34389
15e62ae6d
hex9c8eeb5

164163253 has 2 divisors, whose sum is σ = 164163254. Its totient is φ = 164163252.

The previous prime is 164163217. The next prime is 164163257. The reversal of 164163253 is 352361461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87740689 + 76422564 = 9367^2 + 8742^2 .

It is a cyclic number.

It is not a de Polignac number, because 164163253 - 29 = 164162741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164163257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82081626 + 82081627.

It is an arithmetic number, because the mean of its divisors is an integer number (82081627).

Almost surely, 2164163253 is an apocalyptic number.

It is an amenable number.

164163253 is a deficient number, since it is larger than the sum of its proper divisors (1).

164163253 is an equidigital number, since it uses as much as digits as its factorization.

164163253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 164163253 is about 12812.6208482106. The cubic root of 164163253 is about 547.5519329677.

The spelling of 164163253 in words is "one hundred sixty-four million, one hundred sixty-three thousand, two hundred fifty-three".