9875247 has 4 divisors (see below), whose sum is σ = 13167000. Its totient is φ = 6583496.

The previous prime is 9875233. The next prime is 9875287. The reversal of 9875247 is 7425789.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9875247 - 2¹⁰ = 9874223 is a prime.

It is a super-2 number, since 2×9875247² = 195041006622018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9875199 and 9875208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9875227) 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, 1645872 + ... + 1645877.

It is an arithmetic number, because the mean of its divisors is an integer number (3291750).

Almost surely, 2^9875247 is an apocalyptic number.

9875247 is a deficient number, since it is larger than the sum of its proper divisors (3291753).

9875247 is a wasteful number, since it uses less digits than its factorization.

9875247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291752.

The product of its digits is 141120, while the sum is 42.

The square root of 9875247 is about 3142.4905727782. The cubic root of 9875247 is about 214.5438100918.

The spelling of 9875247 in words is "nine million, eight hundred seventy-five thousand, two hundred forty-seven".