999752959 has 2 divisors, whose sum is σ = 999752960. Its totient is φ = 999752958.

The previous prime is 999752953. The next prime is 999752969. The reversal of 999752959 is 959257999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999752959 - 2²¹ = 997655807 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 999752959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999752953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499876479 + 499876480.

It is an arithmetic number, because the mean of its divisors is an integer number (499876480).

Almost surely, 2^999752959 is an apocalyptic number.

999752959 is a deficient number, since it is larger than the sum of its proper divisors (1).

999752959 is an equidigital number, since it uses as much as digits as its factorization.

999752959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20667150, while the sum is 64.

The square root of 999752959 is about 31618.8702992374. The cubic root of 999752959 is about 999.9176462180.

The spelling of 999752959 in words is "nine hundred ninety-nine million, seven hundred fifty-two thousand, nine hundred fifty-nine".