9820025 has 12 divisors (see below), whose sum is σ = 12570624. Its totient is φ = 7602000.

The previous prime is 9819967. The next prime is 9820037. The reversal of 9820025 is 5200289.

It is not a de Polignac number, because 9820025 - 2⁶ = 9819961 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9819976 and 9820003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5561 + ... + 7110.

It is an arithmetic number, because the mean of its divisors is an integer number (1047552).

Almost surely, 2^9820025 is an apocalyptic number.

It is an amenable number.

9820025 is a deficient number, since it is larger than the sum of its proper divisors (2750599).

9820025 is a wasteful number, since it uses less digits than its factorization.

9820025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12712 (or 12707 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 9820025 is about 3133.6919121062. The cubic root of 9820025 is about 214.1431554448.

The spelling of 9820025 in words is "nine million, eight hundred twenty thousand, twenty-five".