195930937 has 2 divisors, whose sum is σ = 195930938. Its totient is φ = 195930936.

The previous prime is 195930883. The next prime is 195930941. The reversal of 195930937 is 739039591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152053561 + 43877376 = 12331^2 + 6624^2 .

It is a cyclic number.

It is not a de Polignac number, because 195930937 - 2¹⁵ = 195898169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (195930037) 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, 97965468 + 97965469.

It is an arithmetic number, because the mean of its divisors is an integer number (97965469).

Almost surely, 2^195930937 is an apocalyptic number.

It is an amenable number.

195930937 is a deficient number, since it is larger than the sum of its proper divisors (1).

195930937 is an equidigital number, since it uses as much as digits as its factorization.

195930937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 229635, while the sum is 46.

The square root of 195930937 is about 13997.5332469689. The cubic root of 195930937 is about 580.8103387819.

It can be divided in two parts, 1959 and 30937, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 195930937 in words is "one hundred ninety-five million, nine hundred thirty thousand, nine hundred thirty-seven".