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25304801 is a prime number
BaseRepresentation
bin110000010000…
…1111011100001
31202121121122212
41200201323201
522434223201
62302211505
7425041634
oct140417341
952547585
1025304801
1113313965
128583b95
13531cb72
143509c1b
15234cabb
hex1821ee1

25304801 has 2 divisors, whose sum is σ = 25304802. Its totient is φ = 25304800.

The previous prime is 25304779. The next prime is 25304803. The reversal of 25304801 is 10840352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19351201 + 5953600 = 4399^2 + 2440^2 .

It is a cyclic number.

It is not a de Polignac number, because 25304801 - 26 = 25304737 is a prime.

Together with 25304803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25304803) 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, 12652400 + 12652401.

It is an arithmetic number, because the mean of its divisors is an integer number (12652401).

Almost surely, 225304801 is an apocalyptic number.

It is an amenable number.

25304801 is a deficient number, since it is larger than the sum of its proper divisors (1).

25304801 is an equidigital number, since it uses as much as digits as its factorization.

25304801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 25304801 is about 5030.3877584139. The cubic root of 25304801 is about 293.5853016088.

The spelling of 25304801 in words is "twenty-five million, three hundred four thousand, eight hundred one".