Base | Representation |
---|---|
bin | 11111011110100011010001 |
3 | 120112020001212 |
4 | 133132203101 |
5 | 4103022401 |
6 | 452505505 |
7 | 130065101 |
oct | 37364321 |
9 | 16466055 |
10 | 8251601 |
11 | 4726606 |
12 | 291b295 |
13 | 192bb07 |
14 | 114b201 |
15 | acedbb |
hex | 7de8d1 |
8251601 has 2 divisors, whose sum is σ = 8251602. Its totient is φ = 8251600.
The previous prime is 8251597. The next prime is 8251603. The reversal of 8251601 is 1061528.
8251601 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5755201 + 2496400 = 2399^2 + 1580^2 .
It is a cyclic number.
It is not a de Polignac number, because 8251601 - 22 = 8251597 is a prime.
It is a Sophie Germain prime.
Together with 8251603, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (8251603) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4125800 + 4125801.
It is an arithmetic number, because the mean of its divisors is an integer number (4125801).
Almost surely, 28251601 is an apocalyptic number.
It is an amenable number.
8251601 is a deficient number, since it is larger than the sum of its proper divisors (1).
8251601 is an equidigital number, since it uses as much as digits as its factorization.
8251601 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 480, while the sum is 23.
The square root of 8251601 is about 2872.5600080764. The cubic root of 8251601 is about 202.0750709438.
The spelling of 8251601 in words is "eight million, two hundred fifty-one thousand, six hundred one".
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