355116673 has 2 divisors, whose sum is σ = 355116674. Its totient is φ = 355116672.

The previous prime is 355116623. The next prime is 355116679. The reversal of 355116673 is 376611553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196784784 + 158331889 = 14028^2 + 12583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355116673 is a prime.

It is a super-2 number, since 2×355116673² = 252215702885177858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (355116679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177558336 + 177558337.

It is an arithmetic number, because the mean of its divisors is an integer number (177558337).

Almost surely, 2^355116673 is an apocalyptic number.

It is an amenable number.

355116673 is a deficient number, since it is larger than the sum of its proper divisors (1).

355116673 is an equidigital number, since it uses as much as digits as its factorization.

355116673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 37.

The square root of 355116673 is about 18844.5396070055. The cubic root of 355116673 is about 708.1474371628.

The spelling of 355116673 in words is "three hundred fifty-five million, one hundred sixteen thousand, six hundred seventy-three".