99252131 has 8 divisors (see below), whose sum is σ = 108368064. Its totient is φ = 90151720.

The previous prime is 99252121. The next prime is 99252157. The reversal of 99252131 is 13125299.

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 99252131 - 2¹⁰ = 99251107 is a prime.

It is a super-2 number, since 2×99252131² = 19701971016082322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99252121) 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, 12536 + ... + 18858.

It is an arithmetic number, because the mean of its divisors is an integer number (13546008).

Almost surely, 2^99252131 is an apocalyptic number.

99252131 is a deficient number, since it is larger than the sum of its proper divisors (9115933).

99252131 is a wasteful number, since it uses less digits than its factorization.

99252131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761.

The product of its digits is 4860, while the sum is 32.

The square root of 99252131 is about 9962.5363738357. The cubic root of 99252131 is about 462.9988866523.

The spelling of 99252131 in words is "ninety-nine million, two hundred fifty-two thousand, one hundred thirty-one".