99524429 has 2 divisors, whose sum is σ = 99524430. Its totient is φ = 99524428.

The previous prime is 99524389. The next prime is 99524459. The reversal of 99524429 is 92442599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72505225 + 27019204 = 8515^2 + 5198^2 .

It is an emirp because it is prime and its reverse (92442599) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99524429 is a prime.

It is a super-2 number, since 2×99524429² = 19810223935552082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99524429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99524459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49762214 + 49762215.

It is an arithmetic number, because the mean of its divisors is an integer number (49762215).

Almost surely, 2^99524429 is an apocalyptic number.

It is an amenable number.

99524429 is a deficient number, since it is larger than the sum of its proper divisors (1).

99524429 is an equidigital number, since it uses as much as digits as its factorization.

99524429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The square root of 99524429 is about 9976.1931116032. The cubic root of 99524429 is about 463.4219121689.

The spelling of 99524429 in words is "ninety-nine million, five hundred twenty-four thousand, four hundred twenty-nine".