10245239 has 2 divisors, whose sum is σ = 10245240. Its totient is φ = 10245238.

The previous prime is 10245211. The next prime is 10245251. The reversal of 10245239 is 93254201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10245239 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10245269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5122619 + 5122620.

It is an arithmetic number, because the mean of its divisors is an integer number (5122620).

Almost surely, 2^10245239 is an apocalyptic number.

10245239 is a deficient number, since it is larger than the sum of its proper divisors (1).

10245239 is an equidigital number, since it uses as much as digits as its factorization.

10245239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 10245239 is about 3200.8184890743. The cubic root of 10245239 is about 217.1904364353.

The spelling of 10245239 in words is "ten million, two hundred forty-five thousand, two hundred thirty-nine".