10531579 has 4 divisors (see below), whose sum is σ = 10538640. Its totient is φ = 10524520.

The previous prime is 10531561. The next prime is 10531583. The reversal of 10531579 is 97513501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10531579 - 2⁹ = 10531067 is a prime.

It is a super-2 number, since 2×10531579² = 221828312466482, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10531579.

It is not an unprimeable number, because it can be changed into a prime (10531519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319 + ... + 4600.

It is an arithmetic number, because the mean of its divisors is an integer number (2634660).

Almost surely, 2^10531579 is an apocalyptic number.

10531579 is a deficient number, since it is larger than the sum of its proper divisors (7061).

10531579 is an equidigital number, since it uses as much as digits as its factorization.

10531579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 10531579 is about 3245.2394364669. The cubic root of 10531579 is about 219.1952624205.

It can be divided in two parts, 105 and 31579, that added together give a square (31684 = 178²).

The spelling of 10531579 in words is "ten million, five hundred thirty-one thousand, five hundred seventy-nine".