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10250521 is a prime number
BaseRepresentation
bin100111000110…
…100100011001
3201021210001221
4213012210121
510111004041
61003412041
7153061621
oct47064431
921253057
1010250521
115871406
123524021
13217b8c8
14150b881
15d772d1
hex9c6919

10250521 has 2 divisors, whose sum is σ = 10250522. Its totient is φ = 10250520.

The previous prime is 10250503. The next prime is 10250549. The reversal of 10250521 is 12505201.

10250521 is digitally balanced in base 3, 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., 9834496 + 416025 = 3136^2 + 645^2 .

It is a cyclic number.

It is not a de Polignac number, because 10250521 - 25 = 10250489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10250495 and 10250504.

It is not a weakly prime, because it can be changed into another prime (10250561) 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, 5125260 + 5125261.

It is an arithmetic number, because the mean of its divisors is an integer number (5125261).

Almost surely, 210250521 is an apocalyptic number.

It is an amenable number.

10250521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10250521 is an equidigital number, since it uses as much as digits as its factorization.

10250521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 10250521 is about 3201.6434842124. The cubic root of 10250521 is about 217.2277546730.

Adding to 10250521 its reverse (12505201), we get a palindrome (22755722).

The spelling of 10250521 in words is "ten million, two hundred fifty thousand, five hundred twenty-one".