3325355021 has 2 divisors, whose sum is σ = 3325355022. Its totient is φ = 3325355020.

The previous prime is 3325355009. The next prime is 3325355039. The reversal of 3325355021 is 1205535233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3195075625 + 130279396 = 56525^2 + 11414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3325355021 is a prime.

It is a super-2 number, since 2×3325355021² = 22115972031379820882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3325355081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1662677510 + 1662677511.

It is an arithmetic number, because the mean of its divisors is an integer number (1662677511).

Almost surely, 2^3325355021 is an apocalyptic number.

It is an amenable number.

3325355021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3325355021 is an equidigital number, since it uses as much as digits as its factorization.

3325355021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 3325355021 is about 57665.8913136700. The cubic root of 3325355021 is about 1492.6088285042.

The spelling of 3325355021 in words is "three billion, three hundred twenty-five million, three hundred fifty-five thousand, twenty-one".