999313153 has 2 divisors, whose sum is σ = 999313154. Its totient is φ = 999313152.

The previous prime is 999313141. The next prime is 999313157. The reversal of 999313153 is 351313999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 951537409 + 47775744 = 30847^2 + 6912^2 .

It is a cyclic number.

It is not a de Polignac number, because 999313153 - 2⁵ = 999313121 is a prime.

It is not a weakly prime, because it can be changed into another prime (999313157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499656576 + 499656577.

It is an arithmetic number, because the mean of its divisors is an integer number (499656577).

Almost surely, 2^999313153 is an apocalyptic number.

It is an amenable number.

999313153 is a deficient number, since it is larger than the sum of its proper divisors (1).

999313153 is an equidigital number, since it uses as much as digits as its factorization.

999313153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98415, while the sum is 43.

The square root of 999313153 is about 31611.9147316324. The cubic root of 999313153 is about 999.7709985623.

The spelling of 999313153 in words is "nine hundred ninety-nine million, three hundred thirteen thousand, one hundred fifty-three".