3333520081 has 2 divisors, whose sum is σ = 3333520082. Its totient is φ = 3333520080.

The previous prime is 3333520063. The next prime is 3333520097. The reversal of 3333520081 is 1800253333.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3327443856 + 6076225 = 57684^2 + 2465^2 .

It is an emirp because it is prime and its reverse (1800253333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3333520081 - 2¹¹ = 3333518033 is a prime.

It is a super-2 number, since 2×3333520081² = 22224712260860493122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3333520181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666760040 + 1666760041.

It is an arithmetic number, because the mean of its divisors is an integer number (1666760041).

Almost surely, 2^3333520081 is an apocalyptic number.

It is an amenable number.

3333520081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3333520081 is an equidigital number, since it uses as much as digits as its factorization.

3333520081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3333520081 is about 57736.6441785457. The cubic root of 3333520081 is about 1493.8294780608.

The spelling of 3333520081 in words is "three billion, three hundred thirty-three million, five hundred twenty thousand, eighty-one".