3555243 has 6 divisors (see below), whose sum is σ = 5135364. Its totient is φ = 2370156.

The previous prime is 3555241. The next prime is 3555247. The reversal of 3555243 is 3425553.

It is not a de Polignac number, because 3555243 - 2¹ = 3555241 is a prime.

It is a d-powerful number, because it can be written as 3² + 5⁵ + 5⁵ + 5⁹ + 2⁹ + 4⁵ + 3¹³ .

It is not an unprimeable number, because it can be changed into a prime (3555241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197505 + ... + 197522.

It is an arithmetic number, because the mean of its divisors is an integer number (855894).

Almost surely, 2^3555243 is an apocalyptic number.

3555243 is a deficient number, since it is larger than the sum of its proper divisors (1580121).

3555243 is a wasteful number, since it uses less digits than its factorization.

3555243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395033 (or 395030 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 3555243 is about 1885.5352025353. The cubic root of 3555243 is about 152.6240932078.

It can be divided in two parts, 35 and 55243, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 3555243 in words is "three million, five hundred fifty-five thousand, two hundred forty-three".