9278025 has 12 divisors (see below), whose sum is σ = 15339792. Its totient is φ = 4948240.

The previous prime is 9277991. The next prime is 9278029. The reversal of 9278025 is 5208729.

It is not a de Polignac number, because 9278025 - 2⁸ = 9277769 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (9278029) 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, 61779 + ... + 61928.

It is an arithmetic number, because the mean of its divisors is an integer number (1278316).

Almost surely, 2^9278025 is an apocalyptic number.

It is an amenable number.

9278025 is a deficient number, since it is larger than the sum of its proper divisors (6061767).

9278025 is a wasteful number, since it uses less digits than its factorization.

9278025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123720 (or 123715 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 9278025 is about 3045.9850623403. The cubic root of 9278025 is about 210.1286060316.

The spelling of 9278025 in words is "nine million, two hundred seventy-eight thousand, twenty-five".