9925657 has 16 divisors (see below), whose sum is σ = 12269440. Its totient is φ = 7838208.

The previous prime is 9925633. The next prime is 9925667. The reversal of 9925657 is 7565299.

It is a happy number.

9925657 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9925657 - 2¹¹ = 9923609 is a prime.

9925657 is strictly pandigital in base 8.

9925657 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9925607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3913 + ... + 5929.

It is an arithmetic number, because the mean of its divisors is an integer number (766840).

Almost surely, 2^9925657 is an apocalyptic number.

It is an amenable number.

9925657 is a deficient number, since it is larger than the sum of its proper divisors (2343783).

9925657 is a wasteful number, since it uses less digits than its factorization.

9925657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080.

The product of its digits is 170100, while the sum is 43.

The square root of 9925657 is about 3150.5010712583. The cubic root of 9925657 is about 214.9082500171.

The spelling of 9925657 in words is "nine million, nine hundred twenty-five thousand, six hundred fifty-seven".