10196509 has 4 divisors (see below), whose sum is σ = 10413504. Its totient is φ = 9979516.

The previous prime is 10196503. The next prime is 10196513. The reversal of 10196509 is 90569101.

10196509 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10196509 - 2⁵ = 10196477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10196503) 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, 108427 + ... + 108520.

It is an arithmetic number, because the mean of its divisors is an integer number (2603376).

Almost surely, 2^10196509 is an apocalyptic number.

It is an amenable number.

10196509 is a deficient number, since it is larger than the sum of its proper divisors (216995).

10196509 is an equidigital number, since it uses as much as digits as its factorization.

10196509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216994.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 10196509 is about 3193.1973005125. The cubic root of 10196509 is about 216.8455440621.

The spelling of 10196509 in words is "ten million, one hundred ninety-six thousand, five hundred nine".