3524363221 has 2 divisors, whose sum is σ = 3524363222. Its totient is φ = 3524363220.

The previous prime is 3524363191. The next prime is 3524363263. The reversal of 3524363221 is 1223634253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3493992100 + 30371121 = 59110^2 + 5511^2 .

It is an emirp because it is prime and its reverse (1223634253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3524363221 - 2¹¹ = 3524361173 is a prime.

It is a super-2 number, since 2×3524363221² = 24842272227074989682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3524363021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1762181610 + 1762181611.

It is an arithmetic number, because the mean of its divisors is an integer number (1762181611).

Almost surely, 2^3524363221 is an apocalyptic number.

It is an amenable number.

3524363221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3524363221 is an equidigital number, since it uses as much as digits as its factorization.

3524363221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 31.

The square root of 3524363221 is about 59366.3475464004. The cubic root of 3524363221 is about 1521.8092521359.

Adding to 3524363221 its reverse (1223634253), we get a palindrome (4747997474).

The spelling of 3524363221 in words is "three billion, five hundred twenty-four million, three hundred sixty-three thousand, two hundred twenty-one".