9957925 has 12 divisors (see below), whose sum is σ = 12499200. Its totient is φ = 7868720.

The previous prime is 9957901. The next prime is 9957947. The reversal of 9957925 is 5297599.

It is not a de Polignac number, because 9957925 - 2¹³ = 9949733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325 + ... + 4474.

It is an arithmetic number, because the mean of its divisors is an integer number (1041600).

Almost surely, 2^9957925 is an apocalyptic number.

It is an amenable number.

9957925 is a deficient number, since it is larger than the sum of its proper divisors (2541275).

9957925 is a wasteful number, since it uses less digits than its factorization.

9957925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892 (or 4887 counting only the distinct ones).

The product of its digits is 255150, while the sum is 46.

The square root of 9957925 is about 3155.6180060330. The cubic root of 9957925 is about 215.1408847659.

The spelling of 9957925 in words is "nine million, nine hundred fifty-seven thousand, nine hundred twenty-five".