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25253159 is a prime number
BaseRepresentation
bin110000001010…
…1010100100111
31202111222211012
41200111110213
522431100114
62301132435
7424435241
oct140252447
952458735
1025253159
1113289088
12855a11b
1353024c9
1434d5091
15233c63e
hex1815527

25253159 has 2 divisors, whose sum is σ = 25253160. Its totient is φ = 25253158.

The previous prime is 25253117. The next prime is 25253161. The reversal of 25253159 is 95135252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25253159 is a prime.

Together with 25253161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25259159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626579 + 12626580.

It is an arithmetic number, because the mean of its divisors is an integer number (12626580).

Almost surely, 225253159 is an apocalyptic number.

25253159 is a deficient number, since it is larger than the sum of its proper divisors (1).

25253159 is an equidigital number, since it uses as much as digits as its factorization.

25253159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500, while the sum is 32.

The square root of 25253159 is about 5025.2521329780. The cubic root of 25253159 is about 293.3854494464.

The spelling of 25253159 in words is "twenty-five million, two hundred fifty-three thousand, one hundred fifty-nine".