354666671 has 2 divisors, whose sum is σ = 354666672. Its totient is φ = 354666670.

The previous prime is 354666667. The next prime is 354666703. The reversal of 354666671 is 176666453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354666671 - 2² = 354666667 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 (354660671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177333335 + 177333336.

It is an arithmetic number, because the mean of its divisors is an integer number (177333336).

Almost surely, 2^354666671 is an apocalyptic number.

354666671 is a deficient number, since it is larger than the sum of its proper divisors (1).

354666671 is an equidigital number, since it uses as much as digits as its factorization.

354666671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 44.

The square root of 354666671 is about 18832.5959708161. The cubic root of 354666671 is about 707.8481904768.

The spelling of 354666671 in words is "three hundred fifty-four million, six hundred sixty-six thousand, six hundred seventy-one".