10509197 has 2 divisors, whose sum is σ = 10509198. Its totient is φ = 10509196.

The previous prime is 10509181. The next prime is 10509199. The reversal of 10509197 is 79190501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9821956 + 687241 = 3134^2 + 829^2 .

It is a cyclic number.

It is not a de Polignac number, because 10509197 - 2⁴ = 10509181 is a prime.

It is a super-2 number, since 2×10509197² = 220886443169618, which contains 22 as substring.

Together with 10509199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10509199) 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 as a sum of consecutive naturals, namely, 5254598 + 5254599.

It is an arithmetic number, because the mean of its divisors is an integer number (5254599).

Almost surely, 2^10509197 is an apocalyptic number.

It is an amenable number.

10509197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10509197 is an equidigital number, since it uses as much as digits as its factorization.

10509197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 10509197 is about 3241.7891664943. The cubic root of 10509197 is about 219.0398723646.

Adding to 10509197 its reverse (79190501), we get a palindrome (89699698).

The spelling of 10509197 in words is "ten million, five hundred nine thousand, one hundred ninety-seven".