10081539 has 24 divisors (see below), whose sum is σ = 15797600. Its totient is φ = 6158592.

The previous prime is 10081529. The next prime is 10081543. The reversal of 10081539 is 93518001.

It is not a de Polignac number, because 10081539 - 2⁴ = 10081523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10081529) 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 in 23 ways as a sum of consecutive naturals, for example, 23067 + ... + 23499.

Almost surely, 2^10081539 is an apocalyptic number.

10081539 is a deficient number, since it is larger than the sum of its proper divisors (5716061).

10081539 is a wasteful number, since it uses less digits than its factorization.

10081539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 10081539 is about 3175.1439337454. The cubic root of 10081539 is about 216.0274527864.

The spelling of 10081539 in words is "ten million, eighty-one thousand, five hundred thirty-nine".