99525 has 12 divisors (see below), whose sum is σ = 164672. Its totient is φ = 53040.

The previous prime is 99523. The next prime is 99527. The reversal of 99525 is 52599.

It is an interprime number because it is at equal distance from previous prime (99523) and next prime (99527).

It is not a de Polignac number, because 99525 - 2¹ = 99523 is a prime.

It is an Ulam number.

It is a Duffinian number.

99525 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 99492 and 99501.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99525.

It is not an unprimeable number, because it can be changed into a prime (99523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 589 + ... + 738.

2⁹⁹⁵²⁵ is an apocalyptic number.

It is an amenable number.

99525 is a deficient number, since it is larger than the sum of its proper divisors (65147).

99525 is a wasteful number, since it uses less digits than its factorization.

99525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1335 counting only the distinct ones).

The product of its digits is 4050, while the sum is 30.

The square root of 99525 is about 315.4758310869. The cubic root of 99525 is about 46.3422798428.

The spelling of 99525 in words is "ninety-nine thousand, five hundred twenty-five".