196519 has 2 divisors, whose sum is σ = 196520. Its totient is φ = 196518.

The previous prime is 196501. The next prime is 196523. The reversal of 196519 is 915691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196519 - 2¹¹ = 194471 is a prime.

It is a super-2 number, since 2×196519² = 77239434722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98259 + 98260.

It is an arithmetic number, because the mean of its divisors is an integer number (98260).

2¹⁹⁶⁵¹⁹ is an apocalyptic number.

196519 is a deficient number, since it is larger than the sum of its proper divisors (1).

196519 is an equidigital number, since it uses as much as digits as its factorization.

196519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 31.

The square root of 196519 is about 443.3046356627. The cubic root of 196519 is about 58.1390835723.

The spelling of 196519 in words is "one hundred ninety-six thousand, five hundred nineteen".