335632421 has 2 divisors, whose sum is σ = 335632422. Its totient is φ = 335632420.

The previous prime is 335632417. The next prime is 335632441. The reversal of 335632421 is 124236533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334487521 + 1144900 = 18289^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 335632421 - 2² = 335632417 is a prime.

It is a super-2 number, since 2×335632421² = 225298244052642482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (335632441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167816210 + 167816211.

It is an arithmetic number, because the mean of its divisors is an integer number (167816211).

Almost surely, 2^335632421 is an apocalyptic number.

It is an amenable number.

335632421 is a deficient number, since it is larger than the sum of its proper divisors (1).

335632421 is an equidigital number, since it uses as much as digits as its factorization.

335632421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 29.

The square root of 335632421 is about 18320.2734968668. The cubic root of 335632421 is about 694.9517217124.

Adding to 335632421 its reverse (124236533), we get a palindrome (459868954).

The spelling of 335632421 in words is "three hundred thirty-five million, six hundred thirty-two thousand, four hundred twenty-one".