336204509 has 2 divisors, whose sum is σ = 336204510. Its totient is φ = 336204508.

The previous prime is 336204499. The next prime is 336204521. The reversal of 336204509 is 905402633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323208484 + 12996025 = 17978^2 + 3605^2 .

It is an emirp because it is prime and its reverse (905402633) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 336204509 - 2¹² = 336200413 is a prime.

It is a super-2 number, since 2×336204509² = 226066943743862162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336204559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168102254 + 168102255.

It is an arithmetic number, because the mean of its divisors is an integer number (168102255).

Almost surely, 2^336204509 is an apocalyptic number.

It is an amenable number.

336204509 is a deficient number, since it is larger than the sum of its proper divisors (1).

336204509 is an equidigital number, since it uses as much as digits as its factorization.

336204509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 336204509 is about 18335.8803715557. The cubic root of 336204509 is about 695.3463477381.

The spelling of 336204509 in words is "three hundred thirty-six million, two hundred four thousand, five hundred nine".