196513 has 4 divisors (see below), whose sum is σ = 201348. Its totient is φ = 191680.

The previous prime is 196501. The next prime is 196519. The reversal of 196513 is 315691.

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 82944 + 113569 = 288^2 + 337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196513 is a prime.

It is a Duffinian number.

196513 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196519) 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, 2356 + ... + 2437.

It is an arithmetic number, because the mean of its divisors is an integer number (50337).

2¹⁹⁶⁵¹³ is an apocalyptic number.

It is an amenable number.

196513 is a deficient number, since it is larger than the sum of its proper divisors (4835).

196513 is an equidigital number, since it uses as much as digits as its factorization.

196513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834.

The product of its digits is 810, while the sum is 25.

The square root of 196513 is about 443.2978682556. The cubic root of 196513 is about 58.1384918771.

The spelling of 196513 in words is "one hundred ninety-six thousand, five hundred thirteen".