196605533 has 2 divisors, whose sum is σ = 196605534. Its totient is φ = 196605532.

The previous prime is 196605511. The next prime is 196605551. The reversal of 196605533 is 335506691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112296409 + 84309124 = 10597^2 + 9182^2 .

It is a cyclic number.

It is not a de Polignac number, because 196605533 - 2⁶ = 196605469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196605553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98302766 + 98302767.

It is an arithmetic number, because the mean of its divisors is an integer number (98302767).

Almost surely, 2^196605533 is an apocalyptic number.

It is an amenable number.

196605533 is a deficient number, since it is larger than the sum of its proper divisors (1).

196605533 is an equidigital number, since it uses as much as digits as its factorization.

196605533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 196605533 is about 14021.6095010523. The cubic root of 196605533 is about 581.4761576017.

The spelling of 196605533 in words is "one hundred ninety-six million, six hundred five thousand, five hundred thirty-three".