9972503 has 8 divisors (see below), whose sum is σ = 10117488. Its totient is φ = 9828864.

The previous prime is 9972497. The next prime is 9972509. The reversal of 9972503 is 3052799.

It is an interprime number because it is at equal distance from previous prime (9972497) and next prime (9972509).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9972503 - 2⁶ = 9972439 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 (9972509) 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 7 ways as a sum of consecutive naturals, for example, 31301 + ... + 31617.

It is an arithmetic number, because the mean of its divisors is an integer number (1264686).

Almost surely, 2^9972503 is an apocalyptic number.

9972503 is a deficient number, since it is larger than the sum of its proper divisors (144985).

9972503 is a wasteful number, since it uses less digits than its factorization.

9972503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 9972503 is about 3157.9270099228. The cubic root of 9972503 is about 215.2458194311.

The spelling of 9972503 in words is "nine million, nine hundred seventy-two thousand, five hundred three".