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25113211 is a prime number
BaseRepresentation
bin101111111001…
…1001001111011
31202020212211221
41133303021323
522412110321
62254132511
7423313234
oct137631173
952225757
1025113211
11131a2a22
1284b1137
1352838b6
14349a08b
152310e41
hex17f327b

25113211 has 2 divisors, whose sum is σ = 25113212. Its totient is φ = 25113210.

The previous prime is 25113139. The next prime is 25113223. The reversal of 25113211 is 11231152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25113211 - 27 = 25113083 is a prime.

It is not a weakly prime, because it can be changed into another prime (25113271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12556605 + 12556606.

It is an arithmetic number, because the mean of its divisors is an integer number (12556606).

Almost surely, 225113211 is an apocalyptic number.

25113211 is a deficient number, since it is larger than the sum of its proper divisors (1).

25113211 is an equidigital number, since it uses as much as digits as its factorization.

25113211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60, while the sum is 16.

The square root of 25113211 is about 5011.3083122075. The cubic root of 25113211 is about 292.8424838758.

Adding to 25113211 its reverse (11231152), we get a palindrome (36344363).

The spelling of 25113211 in words is "twenty-five million, one hundred thirteen thousand, two hundred eleven".