355056673 has 2 divisors, whose sum is σ = 355056674. Its totient is φ = 355056672.

The previous prime is 355056641. The next prime is 355056683. The reversal of 355056673 is 376650553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284698129 + 70358544 = 16873^2 + 8388^2 .

It is a cyclic number.

It is not a de Polignac number, because 355056673 - 2⁵ = 355056641 is a prime.

It is not a weakly prime, because it can be changed into another prime (355056613) 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, 177528336 + 177528337.

It is an arithmetic number, because the mean of its divisors is an integer number (177528337).

Almost surely, 2^355056673 is an apocalyptic number.

It is an amenable number.

355056673 is a deficient number, since it is larger than the sum of its proper divisors (1).

355056673 is an equidigital number, since it uses as much as digits as its factorization.

355056673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 283500, while the sum is 40.

The square root of 355056673 is about 18842.9475666627. The cubic root of 355056673 is about 708.1075523938.

The spelling of 355056673 in words is "three hundred fifty-five million, fifty-six thousand, six hundred seventy-three".