341553221 has 2 divisors, whose sum is σ = 341553222. Its totient is φ = 341553220.

The previous prime is 341553211. The next prime is 341553229. The reversal of 341553221 is 122355143.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239320900 + 102232321 = 15470^2 + 10111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-341553221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341553229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170776610 + 170776611.

It is an arithmetic number, because the mean of its divisors is an integer number (170776611).

Almost surely, 2^341553221 is an apocalyptic number.

It is an amenable number.

341553221 is a deficient number, since it is larger than the sum of its proper divisors (1).

341553221 is an equidigital number, since it uses as much as digits as its factorization.

341553221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 26.

The square root of 341553221 is about 18481.1585405245. The cubic root of 341553221 is about 699.0144095520.

The spelling of 341553221 in words is "three hundred forty-one million, five hundred fifty-three thousand, two hundred twenty-one".