9640025 has 12 divisors (see below), whose sum is σ = 12124224. Its totient is φ = 7602000.

The previous prime is 9640021. The next prime is 9640031. The reversal of 9640025 is 5200469.

It is not a de Polignac number, because 9640025 - 2² = 9640021 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 Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9639976 and 9640003.

It is not an unprimeable number, because it can be changed into a prime (9640021) 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, 941 + ... + 4490.

It is an arithmetic number, because the mean of its divisors is an integer number (1010352).

Almost surely, 2^9640025 is an apocalyptic number.

It is an amenable number.

9640025 is a deficient number, since it is larger than the sum of its proper divisors (2484199).

9640025 is a wasteful number, since it uses less digits than its factorization.

9640025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5512 (or 5507 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 9640025 is about 3104.8389652283. The cubic root of 9640025 is about 212.8266717210.

The spelling of 9640025 in words is "nine million, six hundred forty thousand, twenty-five".