99524131 has 8 divisors (see below), whose sum is σ = 113805824. Its totient is φ = 85258440.

The previous prime is 99524081. The next prime is 99524219. The reversal of 99524131 is 13142599.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99524131 is a prime.

It is a super-2 number, since 2×99524131² = 19810105302610322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99524531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16036 + ... + 21358.

It is an arithmetic number, because the mean of its divisors is an integer number (14225728).

Almost surely, 2^99524131 is an apocalyptic number.

99524131 is a deficient number, since it is larger than the sum of its proper divisors (14281693).

99524131 is a wasteful number, since it uses less digits than its factorization.

99524131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8001.

The product of its digits is 9720, while the sum is 34.

The square root of 99524131 is about 9976.1781760351. The cubic root of 99524131 is about 463.4214496363.

The spelling of 99524131 in words is "ninety-nine million, five hundred twenty-four thousand, one hundred thirty-one".