3253072821 has 16 divisors (see below), whose sum is σ = 4567147200. Its totient is φ = 2053928448.

The previous prime is 3253072811. The next prime is 3253072841. The reversal of 3253072821 is 1282703523.

It is not a de Polignac number, because 3253072821 - 2⁹ = 3253072309 is a prime.

It is a super-3 number, since 3×3253072821³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3253072811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230085 + ... + 243813.

It is an arithmetic number, because the mean of its divisors is an integer number (285446700).

Almost surely, 2^3253072821 is an apocalyptic number.

It is an amenable number.

3253072821 is a deficient number, since it is larger than the sum of its proper divisors (1314074379).

3253072821 is a wasteful number, since it uses less digits than its factorization.

3253072821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17908.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 3253072821 is about 57035.7153106718. The cubic root of 3253072821 is about 1481.7147189553.

The spelling of 3253072821 in words is "three billion, two hundred fifty-three million, seventy-two thousand, eight hundred twenty-one".