196522289 has 2 divisors, whose sum is σ = 196522290. Its totient is φ = 196522288.

The previous prime is 196522243. The next prime is 196522303. The reversal of 196522289 is 982225691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132250000 + 64272289 = 11500^2 + 8017^2 .

It is a cyclic number.

It is not a de Polignac number, because 196522289 - 2⁸ = 196522033 is a prime.

It is not a weakly prime, because it can be changed into another prime (196522889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98261144 + 98261145.

It is an arithmetic number, because the mean of its divisors is an integer number (98261145).

Almost surely, 2^196522289 is an apocalyptic number.

It is an amenable number.

196522289 is a deficient number, since it is larger than the sum of its proper divisors (1).

196522289 is an equidigital number, since it uses as much as digits as its factorization.

196522289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 44.

The square root of 196522289 is about 14018.6407686337. The cubic root of 196522289 is about 581.3940791479.

The spelling of 196522289 in words is "one hundred ninety-six million, five hundred twenty-two thousand, two hundred eighty-nine".