10250561 has 2 divisors, whose sum is σ = 10250562. Its totient is φ = 10250560.

The previous prime is 10250549. The next prime is 10250563. The reversal of 10250561 is 16505201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8673025 + 1577536 = 2945^2 + 1256^2 .

It is a cyclic number.

It is not a de Polignac number, because 10250561 - 2¹⁰ = 10249537 is a prime.

It is a Sophie Germain prime.

Together with 10250563, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10250563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5125280 + 5125281.

It is an arithmetic number, because the mean of its divisors is an integer number (5125281).

Almost surely, 2^10250561 is an apocalyptic number.

It is an amenable number.

10250561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10250561 is an equidigital number, since it uses as much as digits as its factorization.

10250561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 10250561 is about 3201.6497309981. The cubic root of 10250561 is about 217.2280372310.

Adding to 10250561 its reverse (16505201), we get a palindrome (26755762).

The spelling of 10250561 in words is "ten million, two hundred fifty thousand, five hundred sixty-one".