99525751 has 8 divisors (see below), whose sum is σ = 107420544. Its totient is φ = 91665120.

The previous prime is 99525749. The next prime is 99525757. The reversal of 99525751 is 15752599.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 99525751 - 2¹ = 99525749 is a prime.

It is a super-2 number, since 2×99525751² = 19810750224228002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99525698 and 99525707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99525757) 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 7 ways as a sum of consecutive naturals, for example, 2311 + ... + 14296.

It is an arithmetic number, because the mean of its divisors is an integer number (13427568).

Almost surely, 2^99525751 is an apocalyptic number.

99525751 is a deficient number, since it is larger than the sum of its proper divisors (7894793).

99525751 is a wasteful number, since it uses less digits than its factorization.

99525751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17081.

The product of its digits is 141750, while the sum is 43.

The square root of 99525751 is about 9976.2593691223. The cubic root of 99525751 is about 463.4239640639.

The spelling of 99525751 in words is "ninety-nine million, five hundred twenty-five thousand, seven hundred fifty-one".