3552805 has 4 divisors (see below), whose sum is σ = 4263372. Its totient is φ = 2842240.

The previous prime is 3552797. The next prime is 3552811. The reversal of 3552805 is 5082553.

3552805 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.

It can be written as a sum of positive squares in 2 ways, for example, as 996004 + 2556801 = 998^2 + 1599^2 .

It is not a de Polignac number, because 3552805 - 2³ = 3552797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 355276 + ... + 355285.

It is an arithmetic number, because the mean of its divisors is an integer number (1065843).

Almost surely, 2^3552805 is an apocalyptic number.

It is an amenable number.

3552805 is a deficient number, since it is larger than the sum of its proper divisors (710567).

3552805 is an equidigital number, since it uses as much as digits as its factorization.

3552805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710566.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 3552805 is about 1884.8885908722. Note that the first 3 decimals coincide. The cubic root of 3552805 is about 152.5891980190.

It can be divided in two parts, 355 and 2805, that added together give a triangular number (3160 = T₇₉).

The spelling of 3552805 in words is "three million, five hundred fifty-two thousand, eight hundred five".