355403253241 has 2 divisors, whose sum is σ = 355403253242. Its totient is φ = 355403253240.

The previous prime is 355403253209. The next prime is 355403253287. The reversal of 355403253241 is 142352304553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181664340841 + 173738912400 = 426221^2 + 416820^2 .

It is a cyclic number.

It is not a de Polignac number, because 355403253241 - 2⁵ = 355403253209 is a prime.

It is a super-3 number, since 3×355403253241³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 355403253241.

It is not a weakly prime, because it can be changed into another prime (355403253041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177701626620 + 177701626621.

It is an arithmetic number, because the mean of its divisors is an integer number (177701626621).

Almost surely, 2^355403253241 is an apocalyptic number.

It is an amenable number.

355403253241 is a deficient number, since it is larger than the sum of its proper divisors (1).

355403253241 is an equidigital number, since it uses as much as digits as its factorization.

355403253241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 355403253241 its reverse (142352304553), we get a palindrome (497755557794).

The spelling of 355403253241 in words is "three hundred fifty-five billion, four hundred three million, two hundred fifty-three thousand, two hundred forty-one".