999301013 has 2 divisors, whose sum is σ = 999301014. Its totient is φ = 999301012.

The previous prime is 999301001. The next prime is 999301019. The reversal of 999301013 is 310103999.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 881317969 + 117983044 = 29687^2 + 10862^2 .

It is a cyclic number.

It is not a de Polignac number, because 999301013 - 2⁶ = 999300949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999301019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499650506 + 499650507.

It is an arithmetic number, because the mean of its divisors is an integer number (499650507).

Almost surely, 2^999301013 is an apocalyptic number.

It is an amenable number.

999301013 is a deficient number, since it is larger than the sum of its proper divisors (1).

999301013 is an equidigital number, since it uses as much as digits as its factorization.

999301013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 999301013 is about 31611.7227148411. The cubic root of 999301013 is about 999.7669500253.

The spelling of 999301013 in words is "nine hundred ninety-nine million, three hundred one thousand, thirteen".