354355543 has 2 divisors, whose sum is σ = 354355544. Its totient is φ = 354355542.

The previous prime is 354355537. The next prime is 354355559. The reversal of 354355543 is 345553453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354355543 - 2⁵ = 354355511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354355343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177177771 + 177177772.

It is an arithmetic number, because the mean of its divisors is an integer number (177177772).

Almost surely, 2^354355543 is an apocalyptic number.

354355543 is a deficient number, since it is larger than the sum of its proper divisors (1).

354355543 is an equidigital number, since it uses as much as digits as its factorization.

354355543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270000, while the sum is 37.

The square root of 354355543 is about 18824.3337996329. Note that the first 3 decimals coincide. The cubic root of 354355543 is about 707.6411455340.

The spelling of 354355543 in words is "three hundred fifty-four million, three hundred fifty-five thousand, five hundred forty-three".