3215253213 has 12 divisors (see below), whose sum is σ = 4661395648. Its totient is φ = 2135590920.

The previous prime is 3215253193. The next prime is 3215253227. The reversal of 3215253213 is 3123525123.

It is a happy number.

It is not a de Polignac number, because 3215253213 - 2¹⁰ = 3215252189 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 (3215255213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 656695 + ... + 661572.

Almost surely, 2^3215253213 is an apocalyptic number.

It is an amenable number.

3215253213 is a deficient number, since it is larger than the sum of its proper divisors (1446142435).

3215253213 is a wasteful number, since it uses less digits than its factorization.

3215253213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318544 (or 1318541 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 3215253213 is about 56703.2028460474. The cubic root of 3215253213 is about 1475.9502773146.

Adding to 3215253213 its reverse (3123525123), we get a palindrome (6338778336).

The spelling of 3215253213 in words is "three billion, two hundred fifteen million, two hundred fifty-three thousand, two hundred thirteen".