3631265213 has 2 divisors, whose sum is σ = 3631265214. Its totient is φ = 3631265212.

The previous prime is 3631265179. The next prime is 3631265233. The reversal of 3631265213 is 3125621363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2680961284 + 950303929 = 51778^2 + 30827^2 .

It is a cyclic number.

It is not a de Polignac number, because 3631265213 - 2¹⁸ = 3631003069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3631265213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3631265233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1815632606 + 1815632607.

It is an arithmetic number, because the mean of its divisors is an integer number (1815632607).

Almost surely, 2^3631265213 is an apocalyptic number.

It is an amenable number.

3631265213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3631265213 is an equidigital number, since it uses as much as digits as its factorization.

3631265213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 32.

The square root of 3631265213 is about 60259.9801941554. The cubic root of 3631265213 is about 1537.0429020633.

Adding to 3631265213 its reverse (3125621363), we get a palindrome (6756886576).

The spelling of 3631265213 in words is "three billion, six hundred thirty-one million, two hundred sixty-five thousand, two hundred thirteen".