3545355321 has 24 divisors (see below), whose sum is σ = 5554569384. Its totient is φ = 2170275840.

The previous prime is 3545355313. The next prime is 3545355323. The reversal of 3545355321 is 1235535453.

3545355321 is a `hidden beast` number, since 3 + 54 + 53 + 553 + 2 + 1 = 666.

3545355321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57153600 + 3488201721 = 7560^2 + 59061^2 .

It is not a de Polignac number, because 3545355321 - 2³ = 3545355313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3545355323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276316 + ... + 288861.

It is an arithmetic number, because the mean of its divisors is an integer number (231440391).

Almost surely, 2^3545355321 is an apocalyptic number.

It is an amenable number.

3545355321 is a deficient number, since it is larger than the sum of its proper divisors (2009214063).

3545355321 is a wasteful number, since it uses less digits than its factorization.

3545355321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565241 (or 565238 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 3545355321 is about 59542.8864013158. The cubic root of 3545355321 is about 1524.8247145661.

The spelling of 3545355321 in words is "three billion, five hundred forty-five million, three hundred fifty-five thousand, three hundred twenty-one".