335216641 has 2 divisors, whose sum is σ = 335216642. Its totient is φ = 335216640.

The previous prime is 335216593. The next prime is 335216653. The reversal of 335216641 is 146612533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171479025 + 163737616 = 13095^2 + 12796^2 .

It is an emirp because it is prime and its reverse (146612533) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-335216641 is a prime.

It is a super-2 number, since 2×335216641² = 224740392806645762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (335216741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167608320 + 167608321.

It is an arithmetic number, because the mean of its divisors is an integer number (167608321).

It is a Proth number, since it is equal to 5115 ⋅ 2¹⁶ + 1 and 5115 < 2¹⁶.

Almost surely, 2^335216641 is an apocalyptic number.

It is an amenable number.

335216641 is a deficient number, since it is larger than the sum of its proper divisors (1).

335216641 is an equidigital number, since it uses as much as digits as its factorization.

335216641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 335216641 is about 18308.9224423503. The cubic root of 335216641 is about 694.6646353977.

The spelling of 335216641 in words is "three hundred thirty-five million, two hundred sixteen thousand, six hundred forty-one".