195793951 has 2 divisors, whose sum is σ = 195793952. Its totient is φ = 195793950.

The previous prime is 195793937. The next prime is 195793991. The reversal of 195793951 is 159397591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195793951 - 2⁹ = 195793439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195793895 and 195793904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195793991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97896975 + 97896976.

It is an arithmetic number, because the mean of its divisors is an integer number (97896976).

Almost surely, 2^195793951 is an apocalyptic number.

195793951 is a deficient number, since it is larger than the sum of its proper divisors (1).

195793951 is an equidigital number, since it uses as much as digits as its factorization.

195793951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 382725, while the sum is 49.

The square root of 195793951 is about 13992.6391720790. The cubic root of 195793951 is about 580.6749484998.

The spelling of 195793951 in words is "one hundred ninety-five million, seven hundred ninety-three thousand, nine hundred fifty-one".