Base | Representation |
---|---|
bin | 101111110001… |
… | …0100001000101 |
3 | 1202010102100212 |
4 | 1133202201011 |
5 | 22402420221 |
6 | 2252445205 |
7 | 422610446 |
oct | 137424105 |
9 | 52112325 |
10 | 25045061 |
11 | 131567a8 |
12 | 8479805 |
13 | 525b882 |
14 | 347d2cd |
15 | 22eab5b |
hex | 17e2845 |
25045061 has 2 divisors, whose sum is σ = 25045062. Its totient is φ = 25045060.
The previous prime is 25045057. The next prime is 25045079. The reversal of 25045061 is 16054052.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21104836 + 3940225 = 4594^2 + 1985^2 .
It is a cyclic number.
It is not a de Polignac number, because 25045061 - 22 = 25045057 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (25045081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12522530 + 12522531.
It is an arithmetic number, because the mean of its divisors is an integer number (12522531).
Almost surely, 225045061 is an apocalyptic number.
It is an amenable number.
25045061 is a deficient number, since it is larger than the sum of its proper divisors (1).
25045061 is an equidigital number, since it uses as much as digits as its factorization.
25045061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 25045061 is about 5004.5040713341. The cubic root of 25045061 is about 292.5773472610.
The spelling of 25045061 in words is "twenty-five million, forty-five thousand, sixty-one".
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