9147825 has 36 divisors (see below), whose sum is σ = 16579420. Its totient is φ = 4821120.

The previous prime is 9147823. The next prime is 9147833. The reversal of 9147825 is 5287419.

9147825 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3249 + 9144576 = 57^2 + 3024^2 .

It is not a de Polignac number, because 9147825 - 2¹ = 9147823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9147825.

It is not an unprimeable number, because it can be changed into a prime (9147823) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24339 + ... + 24711.

Almost surely, 2^9147825 is an apocalyptic number.

It is an amenable number.

9147825 is a deficient number, since it is larger than the sum of its proper divisors (7431595).

9147825 is a wasteful number, since it uses less digits than its factorization.

9147825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 490 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 9147825 is about 3024.5371546734. The cubic root of 9147825 is about 209.1410492975.

The spelling of 9147825 in words is "nine million, one hundred forty-seven thousand, eight hundred twenty-five".