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680225201 is a prime number
BaseRepresentation
bin101000100010110…
…110100110110001
31202101222000112222
4220202312212301
52343114201301
6151255330425
722566550565
oct5042664661
91671860488
10680225201
11319a73297
1216b980a15
13aac07626
14664ab6a5
153eab831b
hex288b69b1

680225201 has 2 divisors, whose sum is σ = 680225202. Its totient is φ = 680225200.

The previous prime is 680225153. The next prime is 680225209. The reversal of 680225201 is 102522086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 584478976 + 95746225 = 24176^2 + 9785^2 .

It is a cyclic number.

It is not a de Polignac number, because 680225201 - 222 = 676030897 is a prime.

It is not a weakly prime, because it can be changed into another prime (680225209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340112600 + 340112601.

It is an arithmetic number, because the mean of its divisors is an integer number (340112601).

Almost surely, 2680225201 is an apocalyptic number.

It is an amenable number.

680225201 is a deficient number, since it is larger than the sum of its proper divisors (1).

680225201 is an equidigital number, since it uses as much as digits as its factorization.

680225201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 680225201 is about 26081.1272954219. The cubic root of 680225201 is about 879.4629992504.

Adding to 680225201 its reverse (102522086), we get a palindrome (782747287).

The spelling of 680225201 in words is "six hundred eighty million, two hundred twenty-five thousand, two hundred one".