196216513 has 4 divisors (see below), whose sum is σ = 201519700. Its totient is φ = 190913328.

The previous prime is 196216507. The next prime is 196216541. The reversal of 196216513 is 315612691.

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 182169009 + 14047504 = 13497^2 + 3748^2 .

It is a cyclic number.

It is not a de Polignac number, because 196216513 - 2²¹ = 194119361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196216543) 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, 2651538 + ... + 2651611.

It is an arithmetic number, because the mean of its divisors is an integer number (50379925).

Almost surely, 2^196216513 is an apocalyptic number.

It is an amenable number.

196216513 is a deficient number, since it is larger than the sum of its proper divisors (5303187).

196216513 is an equidigital number, since it uses as much as digits as its factorization.

196216513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303186.

The product of its digits is 9720, while the sum is 34.

The square root of 196216513 is about 14007.7304728496. The cubic root of 196216513 is about 581.0923853986.

The spelling of 196216513 in words is "one hundred ninety-six million, two hundred sixteen thousand, five hundred thirteen".