63265213 has 6 divisors (see below), whose sum is σ = 69539582. Its totient is φ = 57513720.

The previous prime is 63265201. The next prime is 63265247. The reversal of 63265213 is 31256236.

It can be written as a sum of positive squares in only one way, i.e., 52229529 + 11035684 = 7227^2 + 3322^2 .

It is a de Polignac number, because none of the positive numbers 2^k-63265213 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 (63265613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 261306 + ... + 261547.

Almost surely, 2^63265213 is an apocalyptic number.

It is an amenable number.

63265213 is a deficient number, since it is larger than the sum of its proper divisors (6274369).

63265213 is a wasteful number, since it uses less digits than its factorization.

63265213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522875 (or 522864 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 63265213 is about 7953.9432359051. The cubic root of 63265213 is about 398.4632976750.

The spelling of 63265213 in words is "sixty-three million, two hundred sixty-five thousand, two hundred thirteen".