Search a number
-
+
25244173 is a prime number
BaseRepresentation
bin110000001001…
…1001000001101
31202111112111101
41200103020031
522430303143
62301023101
7424400113
oct140231015
952445441
1025244173
1113282359
128554a91
1352cb3a6
1434d1ab3
152339b4d
hex181320d

25244173 has 2 divisors, whose sum is σ = 25244174. Its totient is φ = 25244172.

The previous prime is 25244161. The next prime is 25244183. The reversal of 25244173 is 37144252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19474569 + 5769604 = 4413^2 + 2402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25244173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25244143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12622086 + 12622087.

It is an arithmetic number, because the mean of its divisors is an integer number (12622087).

Almost surely, 225244173 is an apocalyptic number.

It is an amenable number.

25244173 is a deficient number, since it is larger than the sum of its proper divisors (1).

25244173 is an equidigital number, since it uses as much as digits as its factorization.

25244173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 28.

The square root of 25244173 is about 5024.3579689349. The cubic root of 25244173 is about 293.3506462176.

The spelling of 25244173 in words is "twenty-five million, two hundred forty-four thousand, one hundred seventy-three".