99786525 has 12 divisors (see below), whose sum is σ = 164980512. Its totient is φ = 53219440.

The previous prime is 99786493. The next prime is 99786529. The reversal of 99786525 is 52568799.

It is a happy number.

It is not a de Polignac number, because 99786525 - 2⁵ = 99786493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99786529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 665169 + ... + 665318.

It is an arithmetic number, because the mean of its divisors is an integer number (13748376).

Almost surely, 2^99786525 is an apocalyptic number.

It is an amenable number.

99786525 is a deficient number, since it is larger than the sum of its proper divisors (65193987).

99786525 is a wasteful number, since it uses less digits than its factorization.

99786525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330500 (or 1330495 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 51.

The square root of 99786525 is about 9989.3205474647. The cubic root of 99786525 is about 463.8283603295.

The spelling of 99786525 in words is "ninety-nine million, seven hundred eighty-six thousand, five hundred twenty-five".