99525918 has 8 divisors (see below), whose sum is σ = 199051848. Its totient is φ = 33175304.

The previous prime is 99525869. The next prime is 99525961. The reversal of 99525918 is 81952599.

It is a happy number.

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

99525918 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8293821 + ... + 8293832.

It is an arithmetic number, because the mean of its divisors is an integer number (24881481).

Almost surely, 2^99525918 is an apocalyptic number.

99525918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

99525918 is a wasteful number, since it uses less digits than its factorization.

99525918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16587658.

The product of its digits is 291600, while the sum is 48.

The square root of 99525918 is about 9976.2677389894. The cubic root of 99525918 is about 463.4242232657.

It can be divided in two parts, 9952591 and 8, that added together give a palindrome (9952599).

The spelling of 99525918 in words is "ninety-nine million, five hundred twenty-five thousand, nine hundred eighteen".