99524893 has 4 divisors (see below), whose sum is σ = 107180668. Its totient is φ = 91869120.

The previous prime is 99524881. The next prime is 99524899. The reversal of 99524893 is 39842599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39842599 = 37 ⋅1076827.

It can be written as a sum of positive squares in 2 ways, for example, as 42341049 + 57183844 = 6507^2 + 7562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99524893 is a prime.

It is a super-2 number, since 2×99524893² = 19810408653322898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99524899) 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, 3827868 + ... + 3827893.

It is an arithmetic number, because the mean of its divisors is an integer number (26795167).

Almost surely, 2^99524893 is an apocalyptic number.

It is an amenable number.

99524893 is a deficient number, since it is larger than the sum of its proper divisors (7655775).

99524893 is a wasteful number, since it uses less digits than its factorization.

99524893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7655774.

The product of its digits is 699840, while the sum is 49.

The square root of 99524893 is about 9976.2163669399. The cubic root of 99524893 is about 463.4226323519.

The spelling of 99524893 in words is "ninety-nine million, five hundred twenty-four thousand, eight hundred ninety-three".