99825473 has 4 divisors (see below), whose sum is σ = 108900528. Its totient is φ = 90750420.

The previous prime is 99825469. The next prime is 99825521. The reversal of 99825473 is 37452899.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99825473 - 2² = 99825469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99825413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4537511 + ... + 4537532.

It is an arithmetic number, because the mean of its divisors is an integer number (27225132).

Almost surely, 2^99825473 is an apocalyptic number.

It is an amenable number.

99825473 is a deficient number, since it is larger than the sum of its proper divisors (9075055).

99825473 is a wasteful number, since it uses less digits than its factorization.

99825473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9075054.

The product of its digits is 544320, while the sum is 47.

The square root of 99825473 is about 9991.2698392146. The cubic root of 99825473 is about 463.8886985937. Note that the first 3 decimals are identical.

The spelling of 99825473 in words is "ninety-nine million, eight hundred twenty-five thousand, four hundred seventy-three".