6512413213 has 4 divisors (see below), whose sum is σ = 6635288988. Its totient is φ = 6389537440.

The previous prime is 6512413181. The next prime is 6512413241. The reversal of 6512413213 is 3123142156.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2032386724 + 4480026489 = 45082^2 + 66933^2 .

It is a cyclic number.

It is not a de Polignac number, because 6512413213 - 2⁵ = 6512413181 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 (6512413273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61437808 + ... + 61437913.

It is an arithmetic number, because the mean of its divisors is an integer number (1658822247).

Almost surely, 2^6512413213 is an apocalyptic number.

It is an amenable number.

6512413213 is a deficient number, since it is larger than the sum of its proper divisors (122875775).

6512413213 is a wasteful number, since it uses less digits than its factorization.

6512413213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122875774.

The product of its digits is 4320, while the sum is 28.

The square root of 6512413213 is about 80699.5242427116. The cubic root of 6512413213 is about 1867.4428346441.

Adding to 6512413213 its reverse (3123142156), we get a palindrome (9635555369).

The spelling of 6512413213 in words is "six billion, five hundred twelve million, four hundred thirteen thousand, two hundred thirteen".