3340523521 has 2 divisors, whose sum is σ = 3340523522. Its totient is φ = 3340523520.

The previous prime is 3340523497. The next prime is 3340523533. The reversal of 3340523521 is 1253250433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1895383296 + 1445140225 = 43536^2 + 38015^2 .

It is an emirp because it is prime and its reverse (1253250433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3340523521 - 2¹¹ = 3340521473 is a prime.

It is a super-3 number, since 3×3340523521³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3340523521.

It is not a weakly prime, because it can be changed into another prime (3340524521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670261760 + 1670261761.

It is an arithmetic number, because the mean of its divisors is an integer number (1670261761).

Almost surely, 2^3340523521 is an apocalyptic number.

It is an amenable number.

3340523521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3340523521 is an equidigital number, since it uses as much as digits as its factorization.

3340523521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 3340523521 is about 57797.2622275485. The cubic root of 3340523521 is about 1494.8748822037.

Adding to 3340523521 its reverse (1253250433), we get a palindrome (4593773954).

The spelling of 3340523521 in words is "three billion, three hundred forty million, five hundred twenty-three thousand, five hundred twenty-one".