3253321421 has 16 divisors (see below), whose sum is σ = 3734702208. Its totient is φ = 2776128000.

The previous prime is 3253321387. The next prime is 3253321427. The reversal of 3253321421 is 1241233523.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3253321421 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 (3253321427) 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, 2135366 + ... + 2136888.

It is an arithmetic number, because the mean of its divisors is an integer number (233418888).

Almost surely, 2^3253321421 is an apocalyptic number.

It is an amenable number.

3253321421 is a deficient number, since it is larger than the sum of its proper divisors (481380787).

3253321421 is a wasteful number, since it uses less digits than its factorization.

3253321421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692.

The product of its digits is 4320, while the sum is 26.

The square root of 3253321421 is about 57037.8946052534. The cubic root of 3253321421 is about 1481.7524622334.

Adding to 3253321421 its reverse (1241233523), we get a palindrome (4494554944).

The spelling of 3253321421 in words is "three billion, two hundred fifty-three million, three hundred twenty-one thousand, four hundred twenty-one".