10256039 has 2 divisors, whose sum is σ = 10256040. Its totient is φ = 10256038.

The previous prime is 10255963. The next prime is 10256047. The reversal of 10256039 is 93065201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10256039 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10255999 and 10256017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10256089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5128019 + 5128020.

It is an arithmetic number, because the mean of its divisors is an integer number (5128020).

Almost surely, 2^10256039 is an apocalyptic number.

10256039 is a deficient number, since it is larger than the sum of its proper divisors (1).

10256039 is an equidigital number, since it uses as much as digits as its factorization.

10256039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 10256039 is about 3202.5051131887. The cubic root of 10256039 is about 217.2667266020.

The spelling of 10256039 in words is "ten million, two hundred fifty-six thousand, thirty-nine".