9750825 has 72 divisors (see below), whose sum is σ = 20582016. Its totient is φ = 4320000.

The previous prime is 9750821. The next prime is 9750841. The reversal of 9750825 is 5280579.

It is not a de Polignac number, because 9750825 - 2² = 9750821 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 9750825.

It is not an unprimeable number, because it can be changed into a prime (9750821) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 64500 + ... + 64650.

Almost surely, 2^9750825 is an apocalyptic number.

It is an amenable number.

9750825 is an abundant number, since it is smaller than the sum of its proper divisors (10831191).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9750825 is a wasteful number, since it uses less digits than its factorization.

9750825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 9750825 is about 3122.6311021317. The cubic root of 9750825 is about 213.6389594592.

The spelling of 9750825 in words is "nine million, seven hundred fifty thousand, eight hundred twenty-five".