10539431 has 8 divisors (see below), whose sum is σ = 12082560. Its totient is φ = 9005688.

The previous prime is 10539427. The next prime is 10539443. The reversal of 10539431 is 13493501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10539431 - 2² = 10539427 is a prime.

It is a super-2 number, since 2×10539431² = 222159211607522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10539431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10539481) 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 7 ways as a sum of consecutive naturals, for example, 260 + ... + 4598.

It is an arithmetic number, because the mean of its divisors is an integer number (1510320).

Almost surely, 2^10539431 is an apocalyptic number.

10539431 is a deficient number, since it is larger than the sum of its proper divisors (1543129).

10539431 is an equidigital number, since it uses as much as digits as its factorization.

10539431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4693.

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

The square root of 10539431 is about 3246.4489831199. The cubic root of 10539431 is about 219.2497238214.

The spelling of 10539431 in words is "ten million, five hundred thirty-nine thousand, four hundred thirty-one".