3312245521 has 4 divisors (see below), whose sum is σ = 3567033652. Its totient is φ = 3057457392.

The previous prime is 3312245501. The next prime is 3312245533. The reversal of 3312245521 is 1255422133.

3312245521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2257295121 + 1054950400 = 47511^2 + 32480^2 .

It is a cyclic number.

It is not a de Polignac number, because 3312245521 - 2⁹ = 3312245009 is a prime.

It is a super-2 number, since 2×3312245521² = 21941940782769122882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3312245521.

It is not an unprimeable number, because it can be changed into a prime (3312245501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127394046 + ... + 127394071.

It is an arithmetic number, because the mean of its divisors is an integer number (891758413).

Almost surely, 2^3312245521 is an apocalyptic number.

It is an amenable number.

3312245521 is a deficient number, since it is larger than the sum of its proper divisors (254788131).

3312245521 is a wasteful number, since it uses less digits than its factorization.

3312245521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254788130.

The product of its digits is 7200, while the sum is 28.

The square root of 3312245521 is about 57552.1113513657. Note that the first 3 decimals coincide. The cubic root of 3312245521 is about 1490.6448151233.

Adding to 3312245521 its reverse (1255422133), we get a palindrome (4567667654).

The spelling of 3312245521 in words is "three billion, three hundred twelve million, two hundred forty-five thousand, five hundred twenty-one".