99585251 has 8 divisors (see below), whose sum is σ = 106805520. Its totient is φ = 92562912.

The previous prime is 99585247. The next prime is 99585253. The reversal of 99585251 is 15258599.

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 99585251 - 2² = 99585247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99585253) 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, 48440 + ... + 50453.

It is an arithmetic number, because the mean of its divisors is an integer number (13350690).

Almost surely, 2^99585251 is an apocalyptic number.

99585251 is a deficient number, since it is larger than the sum of its proper divisors (7220269).

99585251 is a wasteful number, since it uses less digits than its factorization.

99585251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98965.

The product of its digits is 162000, while the sum is 44.

The square root of 99585251 is about 9979.2410032026. The cubic root of 99585251 is about 463.5162960569.

The spelling of 99585251 in words is "ninety-nine million, five hundred eighty-five thousand, two hundred fifty-one".