196453505 has 8 divisors (see below), whose sum is σ = 236378472. Its totient is φ = 156739968.

The previous prime is 196453493. The next prime is 196453531. The reversal of 196453505 is 505354691.

It can be written as a sum of positive squares in 4 ways, for example, as 77228944 + 119224561 = 8788^2 + 10919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196453505 - 2⁸ = 196453249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50804 + ... + 54533.

It is an arithmetic number, because the mean of its divisors is an integer number (29547309).

Almost surely, 2^196453505 is an apocalyptic number.

It is an amenable number.

196453505 is a deficient number, since it is larger than the sum of its proper divisors (39924967).

196453505 is a wasteful number, since it uses less digits than its factorization.

196453505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105715.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 196453505 is about 14016.1872490346. The cubic root of 196453505 is about 581.3262407412.

The spelling of 196453505 in words is "one hundred ninety-six million, four hundred fifty-three thousand, five hundred five".