3455569 has 4 divisors (see below), whose sum is σ = 3721396. Its totient is φ = 3189744.

The previous prime is 3455567. The next prime is 3455591. The reversal of 3455569 is 9655543.

3455569 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: 9655543 = 773 ⋅12491.

It can be written as a sum of positive squares in 2 ways, for example, as 1166400 + 2289169 = 1080^2 + 1513^2 .

It is a cyclic number.

It is not a de Polignac number, because 3455569 - 2¹ = 3455567 is a prime.

It is a super-2 number, since 2×3455569² = 23881914227522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (3455561) 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, 132894 + ... + 132919.

It is an arithmetic number, because the mean of its divisors is an integer number (930349).

Almost surely, 2^3455569 is an apocalyptic number.

It is an amenable number.

3455569 is a deficient number, since it is larger than the sum of its proper divisors (265827).

3455569 is a wasteful number, since it uses less digits than its factorization.

3455569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265826.

The product of its digits is 81000, while the sum is 37.

The square root of 3455569 is about 1858.9160820220. The cubic root of 3455569 is about 151.1842407033.

Subtracting from 3455569 its product of digits (81000), we obtain a square (3374569 = 1837²).

The spelling of 3455569 in words is "three million, four hundred fifty-five thousand, five hundred sixty-nine".