Base | Representation |
---|---|
bin | 110000110011… |
… | …1000101110001 |
3 | 1210011000020201 |
4 | 1201213011301 |
5 | 23022304311 |
6 | 2312235201 |
7 | 430331551 |
oct | 141470561 |
9 | 53130221 |
10 | 25588081 |
11 | 13497782 |
12 | 869bb01 |
13 | 53bba9c |
14 | 3581161 |
15 | 23a69c1 |
hex | 1867171 |
25588081 has 2 divisors, whose sum is σ = 25588082. Its totient is φ = 25588080.
The previous prime is 25588049. The next prime is 25588103. The reversal of 25588081 is 18088552.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 25411681 + 176400 = 5041^2 + 420^2 .
It is a cyclic number.
It is not a de Polignac number, because 25588081 - 25 = 25588049 is a prime.
It is a super-2 number, since 2×255880812 = 1309499778525122, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 25588081.
It is not a weakly prime, because it can be changed into another prime (25588001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12794040 + 12794041.
It is an arithmetic number, because the mean of its divisors is an integer number (12794041).
Almost surely, 225588081 is an apocalyptic number.
It is an amenable number.
25588081 is a deficient number, since it is larger than the sum of its proper divisors (1).
25588081 is an equidigital number, since it uses as much as digits as its factorization.
25588081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 25600, while the sum is 37.
The square root of 25588081 is about 5058.4662695327. The cubic root of 25588081 is about 294.6767732373.
The spelling of 25588081 in words is "twenty-five million, five hundred eighty-eight thousand, eighty-one".
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