9725425 has 12 divisors (see below), whose sum is σ = 12227020. Its totient is φ = 7673760.

The previous prime is 9725407. The next prime is 9725431. The reversal of 9725425 is 5245279.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

9725425 is digitally balanced in base 2, because in such base 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 1710864 + 8014561 = 1308^2 + 2831^2 .

It is not a de Polignac number, because 9725425 - 2⁵ = 9725393 is a prime.

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, 133189 + ... + 133261.

Almost surely, 2^9725425 is an apocalyptic number.

It is an amenable number.

9725425 is a deficient number, since it is larger than the sum of its proper divisors (2501595).

9725425 is an frugal number, since it uses more digits than its factorization.

9725425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 78 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 9725425 is about 3118.5613670409. The cubic root of 9725425 is about 213.4532948895.

It can be divided in two parts, 97254 and 25, that added together give a palindrome (97279).

The spelling of 9725425 in words is "nine million, seven hundred twenty-five thousand, four hundred twenty-five".