3545321 has 4 divisors (see below), whose sum is σ = 3818052. Its totient is φ = 3272592.

The previous prime is 3545317. The next prime is 3545327. The reversal of 3545321 is 1235453.

3545321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1235453 = 41 ⋅30133.

It can be written as a sum of positive squares in 2 ways, for example, as 1413721 + 2131600 = 1189^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 3545321 - 2² = 3545317 is a prime.

It is a super-3 number, since 3×3545321³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3545327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136346 + ... + 136371.

It is an arithmetic number, because the mean of its divisors is an integer number (954513).

Almost surely, 2^3545321 is an apocalyptic number.

It is an amenable number.

3545321 is a deficient number, since it is larger than the sum of its proper divisors (272731).

3545321 is a wasteful number, since it uses less digits than its factorization.

3545321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272730.

The product of its digits is 1800, while the sum is 23.

The square root of 3545321 is about 1882.9022810544. The cubic root of 3545321 is about 152.4819794168.

The spelling of 3545321 in words is "three million, five hundred forty-five thousand, three hundred twenty-one".