355680049 has 2 divisors, whose sum is σ = 355680050. Its totient is φ = 355680048.

The previous prime is 355680007. The next prime is 355680053. The reversal of 355680049 is 940086553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354945600 + 734449 = 18840^2 + 857^2 .

It is a cyclic number.

It is not a de Polignac number, because 355680049 - 2⁷ = 355679921 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 355679993 and 355680020.

It is not a weakly prime, because it can be changed into another prime (355680079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177840024 + 177840025.

It is an arithmetic number, because the mean of its divisors is an integer number (177840025).

Almost surely, 2^355680049 is an apocalyptic number.

It is an amenable number.

355680049 is a deficient number, since it is larger than the sum of its proper divisors (1).

355680049 is an equidigital number, since it uses as much as digits as its factorization.

355680049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 355680049 is about 18859.4816736834. The cubic root of 355680049 is about 708.5217202393.

The spelling of 355680049 in words is "three hundred fifty-five million, six hundred eighty thousand, forty-nine".