99252500 has 90 divisors (see below), whose sum is σ = 230762070. Its totient is φ = 37296000.

The previous prime is 99252499. The next prime is 99252509. The reversal of 99252500 is 525299.

It can be written as a sum of positive squares in 15 ways, for example, as 69789316 + 29463184 = 8354^2 + 5428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99252509) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2682482 + ... + 2682518.

It is an arithmetic number, because the mean of its divisors is an integer number (2564023).

Almost surely, 2^99252500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99252500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115381035).

99252500 is an abundant number, since it is smaller than the sum of its proper divisors (131509570).

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

99252500 is a wasteful number, since it uses less digits than its factorization.

99252500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 99252500 is about 9962.5548931988. The cubic root of 99252500 is about 462.9994604313. Note that the first 3 decimals are identical.

Adding to 99252500 its reverse (525299), we get a palindrome (99777799).

The spelling of 99252500 in words is "ninety-nine million, two hundred fifty-two thousand, five hundred".