3545973 has 6 divisors (see below), whose sum is σ = 5121974. Its totient is φ = 2363976.

The previous prime is 3545963. The next prime is 3545999. The reversal of 3545973 is 3795453.

It can be written as a sum of positive squares in only one way, i.e., 1912689 + 1633284 = 1383^2 + 1278^2 .

It is not a de Polignac number, because 3545973 - 2⁴ = 3545957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3545903) 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 in 5 ways as a sum of consecutive naturals, for example, 196990 + ... + 197007.

Almost surely, 2^3545973 is an apocalyptic number.

It is an amenable number.

3545973 is a deficient number, since it is larger than the sum of its proper divisors (1576001).

3545973 is a wasteful number, since it uses less digits than its factorization.

3545973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394003 (or 394000 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 3545973 is about 1883.0754100673. The cubic root of 3545973 is about 152.4913262110.

The spelling of 3545973 in words is "three million, five hundred forty-five thousand, nine hundred seventy-three".