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625688201 is a prime number
BaseRepresentation
bin100101010010110…
…011111010001001
31121121100020212002
4211102303322021
52240134010301
6142030400345
721335155565
oct4522637211
91547306762
10625688201
112a1203896
121556600b5
139c821108
145d1526a5
1539de416b
hex254b3e89

625688201 has 2 divisors, whose sum is σ = 625688202. Its totient is φ = 625688200.

The previous prime is 625688197. The next prime is 625688243. The reversal of 625688201 is 102886526.

625688201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 557196025 + 68492176 = 23605^2 + 8276^2 .

It is a cyclic number.

It is not a de Polignac number, because 625688201 - 22 = 625688197 is a prime.

It is not a weakly prime, because it can be changed into another prime (625688291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312844100 + 312844101.

It is an arithmetic number, because the mean of its divisors is an integer number (312844101).

Almost surely, 2625688201 is an apocalyptic number.

It is an amenable number.

625688201 is a deficient number, since it is larger than the sum of its proper divisors (1).

625688201 is an equidigital number, since it uses as much as digits as its factorization.

625688201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 625688201 is about 25013.7602331197. The cubic root of 625688201 is about 855.3016734676.

The spelling of 625688201 in words is "six hundred twenty-five million, six hundred eighty-eight thousand, two hundred one".