195112487 has 2 divisors, whose sum is σ = 195112488. Its totient is φ = 195112486.

The previous prime is 195112471. The next prime is 195112517. The reversal of 195112487 is 784211591.

195112487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195112487 - 2⁴ = 195112471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195112487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195112187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97556243 + 97556244.

It is an arithmetic number, because the mean of its divisors is an integer number (97556244).

Almost surely, 2^195112487 is an apocalyptic number.

195112487 is a deficient number, since it is larger than the sum of its proper divisors (1).

195112487 is an equidigital number, since it uses as much as digits as its factorization.

195112487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 38.

The square root of 195112487 is about 13968.2671437799. The cubic root of 195112487 is about 580.0004825600. Note that the first 3 decimals are identical.

The spelling of 195112487 in words is "one hundred ninety-five million, one hundred twelve thousand, four hundred eighty-seven".