195487037 has 2 divisors, whose sum is σ = 195487038. Its totient is φ = 195487036.

The previous prime is 195487007. The next prime is 195487043. The reversal of 195487037 is 730784591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113656921 + 81830116 = 10661^2 + 9046^2 .

It is a cyclic number.

It is not a de Polignac number, because 195487037 - 2¹² = 195482941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195487007) 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, 97743518 + 97743519.

It is an arithmetic number, because the mean of its divisors is an integer number (97743519).

Almost surely, 2^195487037 is an apocalyptic number.

It is an amenable number.

195487037 is a deficient number, since it is larger than the sum of its proper divisors (1).

195487037 is an equidigital number, since it uses as much as digits as its factorization.

195487037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 195487037 is about 13981.6678904915. The cubic root of 195487037 is about 580.3713802638.

The spelling of 195487037 in words is "one hundred ninety-five million, four hundred eighty-seven thousand, thirty-seven".