3213552240533 has 4 divisors (see below), whose sum is σ = 3225498531660. Its totient is φ = 3201605949408.

The previous prime is 3213552240487. The next prime is 3213552240541. The reversal of 3213552240533 is 3350422553123.

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 997285844164 + 2216266396369 = 998642^2 + 1488713^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213552240533 - 2¹² = 3213552236437 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 (3213552240133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5973145160 + ... + 5973145697.

It is an arithmetic number, because the mean of its divisors is an integer number (806374632915).

Almost surely, 2^{3213552240533} is an apocalyptic number.

It is an amenable number.

3213552240533 is a deficient number, since it is larger than the sum of its proper divisors (11946291127).

3213552240533 is a wasteful number, since it uses less digits than its factorization.

3213552240533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11946291126.

The product of its (nonzero) digits is 324000, while the sum is 38.

Adding to 3213552240533 its reverse (3350422553123), we get a palindrome (6563974793656).

The spelling of 3213552240533 in words is "three trillion, two hundred thirteen billion, five hundred fifty-two million, two hundred forty thousand, five hundred thirty-three".