335021 has 2 divisors, whose sum is σ = 335022. Its totient is φ = 335020.

The previous prime is 335009. The next prime is 335029. The reversal of 335021 is 120533.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212521 + 122500 = 461^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 335021 - 2¹⁰ = 333997 is a prime.

It is a super-2 number, since 2×335021² = 224478140882, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 334987 and 335005.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 335021.

It is not a weakly prime, because it can be changed into another prime (335029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167510 + 167511.

It is an arithmetic number, because the mean of its divisors is an integer number (167511).

2³³⁵⁰²¹ is an apocalyptic number.

It is an amenable number.

335021 is a deficient number, since it is larger than the sum of its proper divisors (1).

335021 is an equidigital number, since it uses as much as digits as its factorization.

335021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 335021 is about 578.8099860922. The cubic root of 335021 is about 69.4529467753.

Adding to 335021 its reverse (120533), we get a palindrome (455554).

The spelling of 335021 in words is "three hundred thirty-five thousand, twenty-one".