195937151 has 2 divisors, whose sum is σ = 195937152. Its totient is φ = 195937150.

The previous prime is 195937117. The next prime is 195937213. The reversal of 195937151 is 151739591.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195937151 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 195937099 and 195937108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195937051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97968575 + 97968576.

It is an arithmetic number, because the mean of its divisors is an integer number (97968576).

Almost surely, 2^195937151 is an apocalyptic number.

195937151 is a deficient number, since it is larger than the sum of its proper divisors (1).

195937151 is an equidigital number, since it uses as much as digits as its factorization.

195937151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42525, while the sum is 41.

The square root of 195937151 is about 13997.7552128904. The cubic root of 195937151 is about 580.8164789001.

The spelling of 195937151 in words is "one hundred ninety-five million, nine hundred thirty-seven thousand, one hundred fifty-one".