10300561 has 2 divisors, whose sum is σ = 10300562. Its totient is φ = 10300560.

The previous prime is 10300547. The next prime is 10300571. The reversal of 10300561 is 16500301.

10300561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9610000 + 690561 = 3100^2 + 831^2 .

It is a cyclic number.

It is not a de Polignac number, because 10300561 - 2²¹ = 8203409 is a prime.

It is a super-2 number, since 2×10300561² = 212203113829442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10300501) 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, 5150280 + 5150281.

It is an arithmetic number, because the mean of its divisors is an integer number (5150281).

Almost surely, 2^10300561 is an apocalyptic number.

It is an amenable number.

10300561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10300561 is an equidigital number, since it uses as much as digits as its factorization.

10300561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 10300561 is about 3209.4487065538. The cubic root of 10300561 is about 217.5806614991.

Adding to 10300561 its reverse (16500301), we get a palindrome (26800862).

It can be divided in two parts, 10300 and 561, that multiplied together give a triangular number (5778300 = T₃₃₉₉).

The spelling of 10300561 in words is "ten million, three hundred thousand, five hundred sixty-one".