3345021553 has 2 divisors, whose sum is σ = 3345021554. Its totient is φ = 3345021552.

The previous prime is 3345021527. The next prime is 3345021569. The reversal of 3345021553 is 3551205433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2577288289 + 767733264 = 50767^2 + 27708^2 .

It is an emirp because it is prime and its reverse (3551205433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3345021553 - 2¹³ = 3345013361 is a prime.

It is a super-2 number, since 2×3345021553² = 22378338380069063618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3345021653) 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, 1672510776 + 1672510777.

It is an arithmetic number, because the mean of its divisors is an integer number (1672510777).

Almost surely, 2^3345021553 is an apocalyptic number.

It is an amenable number.

3345021553 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345021553 is an equidigital number, since it uses as much as digits as its factorization.

3345021553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 3345021553 is about 57836.1612920498. The cubic root of 3345021553 is about 1495.5455335058.

Adding to 3345021553 its reverse (3551205433), we get a palindrome (6896226986).

The spelling of 3345021553 in words is "three billion, three hundred forty-five million, twenty-one thousand, five hundred fifty-three".