10081439 has 2 divisors, whose sum is σ = 10081440. Its totient is φ = 10081438.

The previous prime is 10081411. The next prime is 10081447. The reversal of 10081439 is 93418001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10081439 - 2¹² = 10077343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10081499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5040719 + 5040720.

It is an arithmetic number, because the mean of its divisors is an integer number (5040720).

Almost surely, 2^10081439 is an apocalyptic number.

10081439 is a deficient number, since it is larger than the sum of its proper divisors (1).

10081439 is an equidigital number, since it uses as much as digits as its factorization.

10081439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10081439 is about 3175.1281863887. The cubic root of 10081439 is about 216.0267385166.

The spelling of 10081439 in words is "ten million, eighty-one thousand, four hundred thirty-nine".