3255305021 has 4 divisors (see below), whose sum is σ = 3280937472. Its totient is φ = 3229672572.

The previous prime is 3255304973. The next prime is 3255305033. The reversal of 3255305021 is 1205035523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1205035523 = 557 ⋅2163439.

It is a cyclic number.

It is not a de Polignac number, because 3255305021 - 2¹⁸ = 3255042877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3255305041) 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, 12816035 + ... + 12816288.

It is an arithmetic number, because the mean of its divisors is an integer number (820234368).

Almost surely, 2^3255305021 is an apocalyptic number.

It is an amenable number.

3255305021 is a deficient number, since it is larger than the sum of its proper divisors (25632451).

3255305021 is a wasteful number, since it uses less digits than its factorization.

3255305021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25632450.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 3255305021 is about 57055.2803954200. The cubic root of 3255305021 is about 1482.0535501214.

The spelling of 3255305021 in words is "three billion, two hundred fifty-five million, three hundred five thousand, twenty-one".