10305749 has 2 divisors, whose sum is σ = 10305750. Its totient is φ = 10305748.

The previous prime is 10305709. The next prime is 10305769. The reversal of 10305749 is 94750301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10125124 + 180625 = 3182^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 10305749 - 2²⁰ = 9257173 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10305709) 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, 5152874 + 5152875.

It is an arithmetic number, because the mean of its divisors is an integer number (5152875).

Almost surely, 2^10305749 is an apocalyptic number.

It is an amenable number.

10305749 is a deficient number, since it is larger than the sum of its proper divisors (1).

10305749 is an equidigital number, since it uses as much as digits as its factorization.

10305749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 10305749 is about 3210.2568433071. The cubic root of 10305749 is about 217.6171843970.

The spelling of 10305749 in words is "ten million, three hundred five thousand, seven hundred forty-nine".