336981761 has 2 divisors, whose sum is σ = 336981762. Its totient is φ = 336981760.

The previous prime is 336981721. The next prime is 336981779. The reversal of 336981761 is 167189633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267159025 + 69822736 = 16345^2 + 8356^2 .

It is a cyclic number.

It is not a de Polignac number, because 336981761 - 2¹⁰ = 336980737 is a prime.

It is a super-2 number, since 2×336981761² = 227113414493322242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (336981721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168490880 + 168490881.

It is an arithmetic number, because the mean of its divisors is an integer number (168490881).

Almost surely, 2^336981761 is an apocalyptic number.

It is an amenable number.

336981761 is a deficient number, since it is larger than the sum of its proper divisors (1).

336981761 is an equidigital number, since it uses as much as digits as its factorization.

336981761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 336981761 is about 18357.0629731447. The cubic root of 336981761 is about 695.8817791729.

The spelling of 336981761 in words is "three hundred thirty-six million, nine hundred eighty-one thousand, seven hundred sixty-one".