3445273 has 4 divisors (see below), whose sum is σ = 3710308. Its totient is φ = 3180240.

The previous prime is 3445259. The next prime is 3445283. The reversal of 3445273 is 3725443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 375769 + 3069504 = 613^2 + 1752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3445273 is a prime.

It is a Duffinian number.

3445273 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3445283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132498 + ... + 132523.

It is an arithmetic number, because the mean of its divisors is an integer number (927577).

Almost surely, 2^3445273 is an apocalyptic number.

It is an amenable number.

3445273 is a deficient number, since it is larger than the sum of its proper divisors (265035).

3445273 is a wasteful number, since it uses less digits than its factorization.

3445273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265034.

The product of its digits is 10080, while the sum is 28.

The square root of 3445273 is about 1856.1446603107. The cubic root of 3445273 is about 151.0339382511.

The spelling of 3445273 in words is "three million, four hundred forty-five thousand, two hundred seventy-three".