196526951 has 2 divisors, whose sum is σ = 196526952. Its totient is φ = 196526950.

The previous prime is 196526917. The next prime is 196526969. The reversal of 196526951 is 159625691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196526951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196525951) 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, 98263475 + 98263476.

It is an arithmetic number, because the mean of its divisors is an integer number (98263476).

Almost surely, 2^196526951 is an apocalyptic number.

196526951 is a deficient number, since it is larger than the sum of its proper divisors (1).

196526951 is an equidigital number, since it uses as much as digits as its factorization.

196526951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 44.

The square root of 196526951 is about 14018.8070462504. The cubic root of 196526951 is about 581.3986764852.

The spelling of 196526951 in words is "one hundred ninety-six million, five hundred twenty-six thousand, nine hundred fifty-one".