99588257 has 2 divisors, whose sum is σ = 99588258. Its totient is φ = 99588256.

The previous prime is 99588239. The next prime is 99588259. The reversal of 99588257 is 75288599.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88190881 + 11397376 = 9391^2 + 3376^2 .

It is a cyclic number.

It is not a de Polignac number, because 99588257 - 2¹⁰ = 99587233 is a prime.

Together with 99588259, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99588199 and 99588208.

It is not a weakly prime, because it can be changed into another prime (99588259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49794128 + 49794129.

It is an arithmetic number, because the mean of its divisors is an integer number (49794129).

Almost surely, 2^99588257 is an apocalyptic number.

It is an amenable number.

99588257 is a deficient number, since it is larger than the sum of its proper divisors (1).

99588257 is an equidigital number, since it uses as much as digits as its factorization.

99588257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 53.

The square root of 99588257 is about 9979.3916147228. The cubic root of 99588257 is about 463.5209597863.

The spelling of 99588257 in words is "ninety-nine million, five hundred eighty-eight thousand, two hundred fifty-seven".