10097509 has 4 divisors (see below), whose sum is σ = 10105920. Its totient is φ = 10089100.

The previous prime is 10097497. The next prime is 10097519. The reversal of 10097509 is 90579001.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 90579001 = 419 ⋅216179.

It is a cyclic number.

It is not a de Polignac number, because 10097509 - 2¹¹ = 10095461 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 (10097519) 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 in 3 ways as a sum of consecutive naturals, for example, 2029 + ... + 4930.

It is an arithmetic number, because the mean of its divisors is an integer number (2526480).

Almost surely, 2^10097509 is an apocalyptic number.

It is an amenable number.

10097509 is a deficient number, since it is larger than the sum of its proper divisors (8411).

10097509 is an equidigital number, since it uses as much as digits as its factorization.

10097509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8410.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 10097509 is about 3177.6577852248. The cubic root of 10097509 is about 216.1414611188.

The spelling of 10097509 in words is "ten million, ninety-seven thousand, five hundred nine".