99452131 has 2 divisors, whose sum is σ = 99452132. Its totient is φ = 99452130.

The previous prime is 99452117. The next prime is 99452147. The reversal of 99452131 is 13125499.

It is a weak prime.

It is an emirp because it is prime and its reverse (13125499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99452131 - 2¹¹ = 99450083 is a prime.

It is a super-2 number, since 2×99452131² = 19781452720882322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99452191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49726065 + 49726066.

It is an arithmetic number, because the mean of its divisors is an integer number (49726066).

Almost surely, 2^99452131 is an apocalyptic number.

99452131 is a deficient number, since it is larger than the sum of its proper divisors (1).

99452131 is an equidigital number, since it uses as much as digits as its factorization.

99452131 is an odious number, because the sum of its binary digits is odd.

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

The square root of 99452131 is about 9972.5689268112. The cubic root of 99452131 is about 463.3096697310.

The spelling of 99452131 in words is "ninety-nine million, four hundred fifty-two thousand, one hundred thirty-one".