335021993 has 2 divisors, whose sum is σ = 335021994. Its totient is φ = 335021992.

The previous prime is 335021983. The next prime is 335022019. The reversal of 335021993 is 399120533.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329676649 + 5345344 = 18157^2 + 2312^2 .

It is a cyclic number.

It is not a de Polignac number, because 335021993 - 2¹⁰ = 335020969 is a prime.

It is a super-2 number, since 2×335021993² = 224479471587384098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (335021923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167510996 + 167510997.

It is an arithmetic number, because the mean of its divisors is an integer number (167510997).

Almost surely, 2^335021993 is an apocalyptic number.

It is an amenable number.

335021993 is a deficient number, since it is larger than the sum of its proper divisors (1).

335021993 is an equidigital number, since it uses as much as digits as its factorization.

335021993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 335021993 is about 18303.6060108384. The cubic root of 335021993 is about 694.5301539457.

The spelling of 335021993 in words is "three hundred thirty-five million, twenty-one thousand, nine hundred ninety-three".