196467251 has 2 divisors, whose sum is σ = 196467252. Its totient is φ = 196467250.

The previous prime is 196467223. The next prime is 196467253. The reversal of 196467251 is 152764691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196467251 - 2¹⁰ = 196466227 is a prime.

Together with 196467253, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 196467199 and 196467208.

It is not a weakly prime, because it can be changed into another prime (196467253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98233625 + 98233626.

It is an arithmetic number, because the mean of its divisors is an integer number (98233626).

Almost surely, 2^196467251 is an apocalyptic number.

196467251 is a deficient number, since it is larger than the sum of its proper divisors (1).

196467251 is an equidigital number, since it uses as much as digits as its factorization.

196467251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 196467251 is about 14016.6776020568. The cubic root of 196467251 is about 581.3397990369.

The spelling of 196467251 in words is "one hundred ninety-six million, four hundred sixty-seven thousand, two hundred fifty-one".