3255621 has 8 divisors (see below), whose sum is σ = 4349280. Its totient is φ = 2166192.

The previous prime is 3255613. The next prime is 3255641. The reversal of 3255621 is 1265523.

3255621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3255621 - 2³ = 3255613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3255591 and 3255600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3255601) 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 7 ways as a sum of consecutive naturals, for example, 2035 + ... + 3263.

It is an arithmetic number, because the mean of its divisors is an integer number (543660).

Almost surely, 2^3255621 is an apocalyptic number.

It is an amenable number.

3255621 is a deficient number, since it is larger than the sum of its proper divisors (1093659).

3255621 is a wasteful number, since it uses less digits than its factorization.

3255621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115.

The product of its digits is 1800, while the sum is 24.

The square root of 3255621 is about 1804.3339491347. Note that the first 3 decimals coincide. The cubic root of 3255621 is about 148.2101500840.

The spelling of 3255621 in words is "three million, two hundred fifty-five thousand, six hundred twenty-one".