1304516999 has 2 divisors, whose sum is σ = 1304517000. Its totient is φ = 1304516998.

The previous prime is 1304516959. The next prime is 1304517031. The reversal of 1304516999 is 9996154031.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9996154031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304516999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304516959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652258499 + 652258500.

It is an arithmetic number, because the mean of its divisors is an integer number (652258500).

Almost surely, 2^1304516999 is an apocalyptic number.

1304516999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304516999 is an equidigital number, since it uses as much as digits as its factorization.

1304516999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 1304516999 is about 36118.0979427212. The cubic root of 1304516999 is about 1092.6554783984.

The spelling of 1304516999 in words is "one billion, three hundred four million, five hundred sixteen thousand, nine hundred ninety-nine".