999315001 has 2 divisors, whose sum is σ = 999315002. Its totient is φ = 999315000.

The previous prime is 999314999. The next prime is 999315007. The reversal of 999315001 is 100513999.

999315001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 704849401 + 294465600 = 26549^2 + 17160^2 .

It is a cyclic number.

It is not a de Polignac number, because 999315001 - 2¹ = 999314999 is a prime.

Together with 999314999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (999315007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499657500 + 499657501.

It is an arithmetic number, because the mean of its divisors is an integer number (499657501).

Almost surely, 2^999315001 is an apocalyptic number.

It is an amenable number.

999315001 is a deficient number, since it is larger than the sum of its proper divisors (1).

999315001 is an equidigital number, since it uses as much as digits as its factorization.

999315001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10935, while the sum is 37.

The square root of 999315001 is about 31611.9439611043. The cubic root of 999315001 is about 999.7716148442.

The spelling of 999315001 in words is "nine hundred ninety-nine million, three hundred fifteen thousand, one".