3545504321 has 2 divisors, whose sum is σ = 3545504322. Its totient is φ = 3545504320.

The previous prime is 3545504299. The next prime is 3545504363. The reversal of 3545504321 is 1234055453.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2591929921 + 953574400 = 50911^2 + 30880^2 .

It is a cyclic number.

It is not a de Polignac number, because 3545504321 - 2¹⁴ = 3545487937 is a prime.

It is not a weakly prime, because it can be changed into another prime (3545507321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1772752160 + 1772752161.

It is an arithmetic number, because the mean of its divisors is an integer number (1772752161).

Almost surely, 2^3545504321 is an apocalyptic number.

It is an amenable number.

3545504321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3545504321 is an equidigital number, since it uses as much as digits as its factorization.

3545504321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 3545504321 is about 59544.1375871714. The cubic root of 3545504321 is about 1524.8460754434.

Adding to 3545504321 its reverse (1234055453), we get a palindrome (4779559774).

The spelling of 3545504321 in words is "three billion, five hundred forty-five million, five hundred four thousand, three hundred twenty-one".