196012261 has 4 divisors (see below), whose sum is σ = 207542412. Its totient is φ = 184482112.

The previous prime is 196012259. The next prime is 196012283. The reversal of 196012261 is 162210691.

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 77616100 + 118396161 = 8810^2 + 10881^2 .

It is a cyclic number.

It is not a de Polignac number, because 196012261 - 2¹ = 196012259 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 (196012211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5765050 + ... + 5765083.

It is an arithmetic number, because the mean of its divisors is an integer number (51885603).

Almost surely, 2^196012261 is an apocalyptic number.

It is an amenable number.

196012261 is a deficient number, since it is larger than the sum of its proper divisors (11530151).

196012261 is a wasteful number, since it uses less digits than its factorization.

196012261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11530150.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 196012261 is about 14000.4378860091. The cubic root of 196012261 is about 580.8906856075.

The spelling of 196012261 in words is "one hundred ninety-six million, twelve thousand, two hundred sixty-one".