9925740125 has 108 divisors (see below), whose sum is σ = 15438441564. Its totient is φ = 6351760800.

The previous prime is 9925740113. The next prime is 9925740133. The reversal of 9925740125 is 5210475299.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 317623684 + 9608116441 = 17822^2 + 98021^2 .

It is not a de Polignac number, because 9925740125 - 2⁸ = 9925739869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 148145342 + ... + 148145408.

It is an arithmetic number, because the mean of its divisors is an integer number (142948533).

Almost surely, 2^9925740125 is an apocalyptic number.

9925740125 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9925740125 is a deficient number, since it is larger than the sum of its proper divisors (5512701439).

9925740125 is an equidigital number, since it uses as much as digits as its factorization.

9925740125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 9925740125 is about 99628.0087375031. The cubic root of 9925740125 is about 2149.0884995048.

The spelling of 9925740125 in words is "nine billion, nine hundred twenty-five million, seven hundred forty thousand, one hundred twenty-five".