99735525 has 72 divisors (see below), whose sum is σ = 187765760. Its totient is φ = 50544000.

The previous prime is 99735509. The next prime is 99735527. The reversal of 99735525 is 52553799.

99735525 is a `hidden beast` number, since 9 + 97 + 3 + 552 + 5 = 666.

It is not a de Polignac number, because 99735525 - 2⁴ = 99735509 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 (99735527) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 550935 + ... + 551115.

Almost surely, 2^99735525 is an apocalyptic number.

It is an amenable number.

99735525 is a deficient number, since it is larger than the sum of its proper divisors (88030235).

99735525 is a wasteful number, since it uses less digits than its factorization.

99735525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 299 counting only the distinct ones).

The product of its digits is 425250, while the sum is 45.

The square root of 99735525 is about 9986.7674950406. The cubic root of 99735525 is about 463.7493273555.

The spelling of 99735525 in words is "ninety-nine million, seven hundred thirty-five thousand, five hundred twenty-five".