10195009 has 4 divisors (see below), whose sum is σ = 11121840. Its totient is φ = 9268180.

The previous prime is 10194997. The next prime is 10195021. The reversal of 10195009 is 90059101.

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 an interprime number because it is at equal distance from previous prime (10194997) and next prime (10195021).

It is a cyclic number.

It is not a de Polignac number, because 10195009 - 2⁷ = 10194881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10190009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463399 + ... + 463420.

It is an arithmetic number, because the mean of its divisors is an integer number (2780460).

Almost surely, 2^10195009 is an apocalyptic number.

It is an amenable number.

10195009 is a deficient number, since it is larger than the sum of its proper divisors (926831).

10195009 is an equidigital number, since it uses as much as digits as its factorization.

10195009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926830.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 10195009 is about 3192.9624175677. The cubic root of 10195009 is about 216.8349102178.

The spelling of 10195009 in words is "ten million, one hundred ninety-five thousand, nine".