10531005 has 8 divisors (see below), whose sum is σ = 16849632. Its totient is φ = 5616528.

The previous prime is 10530991. The next prime is 10531009. The reversal of 10531005 is 50013501.

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

It is not a de Polignac number, because 10531005 - 2⁹ = 10530493 is a prime.

It is a super-2 number, since 2×10531005² = 221804132620050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 702067 = 10531005 / (1 + 0 + 5 + 3 + 1 + 0 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10531009) 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, 351019 + ... + 351048.

It is an arithmetic number, because the mean of its divisors is an integer number (2106204).

Almost surely, 2^10531005 is an apocalyptic number.

10531005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10531005 is a deficient number, since it is larger than the sum of its proper divisors (6318627).

10531005 is an equidigital number, since it uses as much as digits as its factorization.

10531005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702075.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 10531005 is about 3245.1509980277. The cubic root of 10531005 is about 219.1912801000.

Adding to 10531005 its reverse (50013501), we get a palindrome (60544506).

The spelling of 10531005 in words is "ten million, five hundred thirty-one thousand, five".