10509005 has 16 divisors (see below), whose sum is σ = 13716864. Its totient is φ = 7682880.

The previous prime is 10508989. The next prime is 10509013. The reversal of 10509005 is 50090501.

It is not a de Polignac number, because 10509005 - 2⁴ = 10508989 is a prime.

It is a super-2 number, since 2×10509005² = 220878372180050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6200 + ... + 7710.

It is an arithmetic number, because the mean of its divisors is an integer number (857304).

Almost surely, 2^10509005 is an apocalyptic number.

It is an amenable number.

10509005 is a deficient number, since it is larger than the sum of its proper divisors (3207859).

10509005 is a wasteful number, since it uses less digits than its factorization.

10509005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 10509005 is about 3241.7595530822. The cubic root of 10509005 is about 219.0385384247.

Adding to 10509005 its reverse (50090501), we get a palindrome (60599506).

The spelling of 10509005 in words is "ten million, five hundred nine thousand, five".