99052309 has 2 divisors, whose sum is σ = 99052310. Its totient is φ = 99052308.

The previous prime is 99052307. The next prime is 99052321. The reversal of 99052309 is 90325099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78322500 + 20729809 = 8850^2 + 4553^2 .

It is a cyclic number.

It is not a de Polignac number, because 99052309 - 2¹ = 99052307 is a prime.

It is a super-2 number, since 2×99052309² = 19622719836462962, which contains 22 as substring.

Together with 99052307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99052307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49526154 + 49526155.

It is an arithmetic number, because the mean of its divisors is an integer number (49526155).

Almost surely, 2^99052309 is an apocalyptic number.

It is an amenable number.

99052309 is a deficient number, since it is larger than the sum of its proper divisors (1).

99052309 is an equidigital number, since it uses as much as digits as its factorization.

99052309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 99052309 is about 9952.5026500876. The cubic root of 99052309 is about 462.6879629478.

The spelling of 99052309 in words is "ninety-nine million, fifty-two thousand, three hundred nine".