335420191 has 2 divisors, whose sum is σ = 335420192. Its totient is φ = 335420190.

The previous prime is 335420161. The next prime is 335420203. The reversal of 335420191 is 191024533.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 335420191 - 2²³ = 327031583 is a prime.

It is a super-2 number, since 2×335420191² = 225013409060952962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (335420161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167710095 + 167710096.

It is an arithmetic number, because the mean of its divisors is an integer number (167710096).

Almost surely, 2^335420191 is an apocalyptic number.

335420191 is a deficient number, since it is larger than the sum of its proper divisors (1).

335420191 is an equidigital number, since it uses as much as digits as its factorization.

335420191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 335420191 is about 18314.4803639088. The cubic root of 335420191 is about 694.8052115295.

The spelling of 335420191 in words is "three hundred thirty-five million, four hundred twenty thousand, one hundred ninety-one".