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20250361 is a prime number
BaseRepresentation
bin100110100111…
…1111011111001
31102002211021101
41031033323321
520141002421
62002011401
7334060645
oct115177371
942084241
1020250361
111048143a
126946b61
134270381
142991c25
151ba0191
hex134fef9

20250361 has 2 divisors, whose sum is σ = 20250362. Its totient is φ = 20250360.

The previous prime is 20250343. The next prime is 20250367. The reversal of 20250361 is 16305202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20250000 + 361 = 4500^2 + 19^2 .

It is a cyclic number.

It is not a de Polignac number, because 20250361 - 213 = 20242169 is a prime.

It is not a weakly prime, because it can be changed into another prime (20250367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10125180 + 10125181.

It is an arithmetic number, because the mean of its divisors is an integer number (10125181).

Almost surely, 220250361 is an apocalyptic number.

It is an amenable number.

20250361 is a deficient number, since it is larger than the sum of its proper divisors (1).

20250361 is an equidigital number, since it uses as much as digits as its factorization.

20250361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20250361 is about 4500.0401109323. The cubic root of 20250361 is about 272.5697086202.

Adding to 20250361 its reverse (16305202), we get a palindrome (36555563).

The spelling of 20250361 in words is "twenty million, two hundred fifty thousand, three hundred sixty-one".