99625000 has 56 divisors (see below), whose sum is σ = 233786070. Its totient is φ = 39800000.

The previous prime is 99624997. The next prime is 99625003. The reversal of 99625000 is 52699.

It is an interprime number because it is at equal distance from previous prime (99624997) and next prime (99625003).

It can be written as a sum of positive squares in 7 ways, for example, as 53846244 + 45778756 = 7338^2 + 6766^2 .

It is not an unprimeable number, because it can be changed into a prime (99625003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 124602 + ... + 125398.

Almost surely, 2^99625000 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 99625000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116893035).

99625000 is an abundant number, since it is smaller than the sum of its proper divisors (134161070).

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

99625000 is an frugal number, since it uses more digits than its factorization.

99625000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 99625000 is about 9981.2323888386. The cubic root of 99625000 is about 463.5779579941.

Adding to 99625000 its reverse (52699), we get a palindrome (99677699).

The spelling of 99625000 in words is "ninety-nine million, six hundred twenty-five thousand".