9996525 has 72 divisors (see below), whose sum is σ = 22361664. Its totient is φ = 4147200.

The previous prime is 9996523. The next prime is 9996541. The reversal of 9996525 is 5256999.

It is not a de Polignac number, because 9996525 - 2¹ = 9996523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17037 + ... + 17613.

Almost surely, 2^9996525 is an apocalyptic number.

It is an amenable number.

9996525 is an abundant number, since it is smaller than the sum of its proper divisors (12365139).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9996525 is a wasteful number, since it uses less digits than its factorization.

9996525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 603 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 9996525 is about 3161.7281666835. The cubic root of 9996525 is about 215.4185105768.

The spelling of 9996525 in words is "nine million, nine hundred ninety-six thousand, five hundred twenty-five".