99996517 has 2 divisors, whose sum is σ = 99996518. Its totient is φ = 99996516.

The previous prime is 99996511. The next prime is 99996521. The reversal of 99996517 is 71569999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94303521 + 5692996 = 9711^2 + 2386^2 .

It is a cyclic number.

It is not a de Polignac number, because 99996517 - 2³ = 99996509 is a prime.

It is a super-3 number, since 3×99996517³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99996511) 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 as a sum of consecutive naturals, namely, 49998258 + 49998259.

It is an arithmetic number, because the mean of its divisors is an integer number (49998259).

Almost surely, 2^99996517 is an apocalyptic number.

It is an amenable number.

99996517 is a deficient number, since it is larger than the sum of its proper divisors (1).

99996517 is an equidigital number, since it uses as much as digits as its factorization.

99996517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1377810, while the sum is 55.

The square root of 99996517 is about 9999.8258484836. The cubic root of 99996517 is about 464.1534944141.

The spelling of 99996517 in words is "ninety-nine million, nine hundred ninety-six thousand, five hundred seventeen".