3305505121 has 2 divisors, whose sum is σ = 3305505122. Its totient is φ = 3305505120.

The previous prime is 3305505103. The next prime is 3305505127. The reversal of 3305505121 is 1215055033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1851150625 + 1454354496 = 43025^2 + 38136^2 .

It is an emirp because it is prime and its reverse (1215055033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3305505121 - 2⁵ = 3305505089 is a prime.

It is not a weakly prime, because it can be changed into another prime (3305505127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1652752560 + 1652752561.

It is an arithmetic number, because the mean of its divisors is an integer number (1652752561).

Almost surely, 2^3305505121 is an apocalyptic number.

It is an amenable number.

3305505121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3305505121 is an equidigital number, since it uses as much as digits as its factorization.

3305505121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 3305505121 is about 57493.5224264438. The cubic root of 3305505121 is about 1489.6329773306.

The spelling of 3305505121 in words is "three billion, three hundred five million, five hundred five thousand, one hundred twenty-one".