9973251 has 12 divisors (see below), whose sum is σ = 14568840. Its totient is φ = 6573600.

The previous prime is 9973241. The next prime is 9973253. The reversal of 9973251 is 1523799.

It is not a de Polignac number, because 9973251 - 2⁵ = 9973219 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9973253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5425 + ... + 7026.

It is an arithmetic number, because the mean of its divisors is an integer number (1214070).

Almost surely, 2^9973251 is an apocalyptic number.

9973251 is a deficient number, since it is larger than the sum of its proper divisors (4595589).

9973251 is a wasteful number, since it uses less digits than its factorization.

9973251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12546 (or 12543 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 9973251 is about 3158.0454398251. The cubic root of 9973251 is about 215.2512008901.

The spelling of 9973251 in words is "nine million, nine hundred seventy-three thousand, two hundred fifty-one".