999502117 has 2 divisors, whose sum is σ = 999502118. Its totient is φ = 999502116.

The previous prime is 999502079. The next prime is 999502121. The reversal of 999502117 is 711205999.

999502117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 999444996 + 57121 = 31614^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 999502117 - 2⁷ = 999501989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999502177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499751058 + 499751059.

It is an arithmetic number, because the mean of its divisors is an integer number (499751059).

Almost surely, 2^999502117 is an apocalyptic number.

It is an amenable number.

999502117 is a deficient number, since it is larger than the sum of its proper divisors (1).

999502117 is an equidigital number, since it uses as much as digits as its factorization.

999502117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 43.

The square root of 999502117 is about 31614.9034001371. The cubic root of 999502117 is about 999.8340114493.

The spelling of 999502117 in words is "nine hundred ninety-nine million, five hundred two thousand, one hundred seventeen".