355958243 has 2 divisors, whose sum is σ = 355958244. Its totient is φ = 355958242.

The previous prime is 355958237. The next prime is 355958297. The reversal of 355958243 is 342859553.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 355958243 - 2⁴ = 355958227 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 355958194 and 355958203.

It is not a weakly prime, because it can be changed into another prime (355958233) 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, 177979121 + 177979122.

It is an arithmetic number, because the mean of its divisors is an integer number (177979122).

Almost surely, 2^355958243 is an apocalyptic number.

355958243 is a deficient number, since it is larger than the sum of its proper divisors (1).

355958243 is an equidigital number, since it uses as much as digits as its factorization.

355958243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 44.

The square root of 355958243 is about 18866.8556733760. The cubic root of 355958243 is about 708.7063947575.

The spelling of 355958243 in words is "three hundred fifty-five million, nine hundred fifty-eight thousand, two hundred forty-three".