196088261 has 2 divisors, whose sum is σ = 196088262. Its totient is φ = 196088260.

The previous prime is 196088219. The next prime is 196088309. The reversal of 196088261 is 162880691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193043236 + 3045025 = 13894^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 196088261 - 2¹⁴ = 196071877 is a prime.

It is a super-2 number, since 2×196088261² = 76901212204008242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196088201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98044130 + 98044131.

It is an arithmetic number, because the mean of its divisors is an integer number (98044131).

Almost surely, 2^196088261 is an apocalyptic number.

It is an amenable number.

196088261 is a deficient number, since it is larger than the sum of its proper divisors (1).

196088261 is an equidigital number, since it uses as much as digits as its factorization.

196088261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 196088261 is about 14003.1518237860. The cubic root of 196088261 is about 580.9657523190.

The spelling of 196088261 in words is "one hundred ninety-six million, eighty-eight thousand, two hundred sixty-one".