9925405 has 8 divisors (see below), whose sum is σ = 13612032. Its totient is φ = 6805968.

The previous prime is 9925387. The next prime is 9925439. The reversal of 9925405 is 5045299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9925405 is a prime.

It is a super-3 number, since 3×9925405³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141757 + ... + 141826.

It is an arithmetic number, because the mean of its divisors is an integer number (1701504).

Almost surely, 2^9925405 is an apocalyptic number.

It is an amenable number.

9925405 is a deficient number, since it is larger than the sum of its proper divisors (3686627).

9925405 is a wasteful number, since it uses less digits than its factorization.

9925405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283595.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 9925405 is about 3150.4610773663. The cubic root of 9925405 is about 214.9064312513.

The spelling of 9925405 in words is "nine million, nine hundred twenty-five thousand, four hundred five".