10197009 has 24 divisors (see below), whose sum is σ = 15812160. Its totient is φ = 6559056.

The previous prime is 10197001. The next prime is 10197017. The reversal of 10197009 is 90079101.

It is an interprime number because it is at equal distance from previous prime (10197001) and next prime (10197017).

It is not a de Polignac number, because 10197009 - 2³ = 10197001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10197001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6324 + ... + 7770.

It is an arithmetic number, because the mean of its divisors is an integer number (658840).

Almost surely, 2^10197009 is an apocalyptic number.

It is an amenable number.

10197009 is a deficient number, since it is larger than the sum of its proper divisors (5615151).

10197009 is an equidigital number, since it uses as much as digits as its factorization.

10197009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 10197009 is about 3193.2755909880. The cubic root of 10197009 is about 216.8490884451.

The spelling of 10197009 in words is "ten million, one hundred ninety-seven thousand, nine".