196503205 has 4 divisors (see below), whose sum is σ = 235803852. Its totient is φ = 157202560.

The previous prime is 196503199. The next prime is 196503211. The reversal of 196503205 is 502305691.

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

It is an interprime number because it is at equal distance from previous prime (196503199) and next prime (196503211).

It can be written as a sum of positive squares in 2 ways, for example, as 108180801 + 88322404 = 10401^2 + 9398^2 .

It is not a de Polignac number, because 196503205 - 2¹⁷ = 196372133 is a prime.

It is a super-2 number, since 2×196503205² = 77227019150544050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19650316 + ... + 19650325.

It is an arithmetic number, because the mean of its divisors is an integer number (58950963).

Almost surely, 2^196503205 is an apocalyptic number.

It is an amenable number.

196503205 is a deficient number, since it is larger than the sum of its proper divisors (39300647).

196503205 is an equidigital number, since it uses as much as digits as its factorization.

196503205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39300646.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 196503205 is about 14017.9600869741. The cubic root of 196503205 is about 581.3752590880.

Adding to 196503205 its reverse (502305691), we get a palindrome (698808896).

The spelling of 196503205 in words is "one hundred ninety-six million, five hundred three thousand, two hundred five".