10239239 has 2 divisors, whose sum is σ = 10239240. Its totient is φ = 10239238.

The previous prime is 10239227. The next prime is 10239241. The reversal of 10239239 is 93293201.

10239239 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10239239 - 2⁸ = 10238983 is a prime.

Together with 10239241, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₆₇₉₄₁₂ and since 10239239 and 679412 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10239259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5119619 + 5119620.

It is an arithmetic number, because the mean of its divisors is an integer number (5119620).

Almost surely, 2^10239239 is an apocalyptic number.

10239239 is a deficient number, since it is larger than the sum of its proper divisors (1).

10239239 is an equidigital number, since it uses as much as digits as its factorization.

10239239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 10239239 is about 3199.8810915407. The cubic root of 10239239 is about 217.1480298407.

The spelling of 10239239 in words is "ten million, two hundred thirty-nine thousand, two hundred thirty-nine".