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25283161 is a prime number
BaseRepresentation
bin110000001110…
…0101001011001
31202120111222101
41200130221121
522433030121
62301523401
7424621561
oct140345131
952514871
1025283161
11132a9682
128573561
135313067
143501da1
152346491
hex181ca59

25283161 has 2 divisors, whose sum is σ = 25283162. Its totient is φ = 25283160.

The previous prime is 25283143. The next prime is 25283179. The reversal of 25283161 is 16138252.

25283161 = 35552 + 35562.

It is a balanced prime because it is at equal distance from previous prime (25283143) and next prime (25283179).

It can be written as a sum of positive squares in only one way, i.e., 12645136 + 12638025 = 3556^2 + 3555^2 .

It is a cyclic number.

It is not a de Polignac number, because 25283161 - 219 = 24758873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25283261) 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, 12641580 + 12641581.

It is an arithmetic number, because the mean of its divisors is an integer number (12641581).

Almost surely, 225283161 is an apocalyptic number.

25283161 is the 3556-th centered square number.

It is an amenable number.

25283161 is a deficient number, since it is larger than the sum of its proper divisors (1).

25283161 is an equidigital number, since it uses as much as digits as its factorization.

25283161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 25283161 is about 5028.2363707368. The cubic root of 25283161 is about 293.5015889329.

The spelling of 25283161 in words is "twenty-five million, two hundred eighty-three thousand, one hundred sixty-one".