354666353 has 2 divisors, whose sum is σ = 354666354. Its totient is φ = 354666352.

The previous prime is 354666343. The next prime is 354666391. The reversal of 354666353 is 353666453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327501409 + 27164944 = 18097^2 + 5212^2 .

It is a cyclic number.

It is not a de Polignac number, because 354666353 - 2⁴ = 354666337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 354666353.

It is not a weakly prime, because it can be changed into another prime (354666343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177333176 + 177333177.

It is an arithmetic number, because the mean of its divisors is an integer number (177333177).

Almost surely, 2^354666353 is an apocalyptic number.

It is an amenable number.

354666353 is a deficient number, since it is larger than the sum of its proper divisors (1).

354666353 is an equidigital number, since it uses as much as digits as its factorization.

354666353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 41.

The square root of 354666353 is about 18832.5875280058. The cubic root of 354666353 is about 707.8479789206.

The spelling of 354666353 in words is "three hundred fifty-four million, six hundred sixty-six thousand, three hundred fifty-three".