1995502097 has 2 divisors, whose sum is σ = 1995502098. Its totient is φ = 1995502096.

The previous prime is 1995502081. The next prime is 1995502127. The reversal of 1995502097 is 7902055991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1989070801 + 6431296 = 44599^2 + 2536^2 .

It is a cyclic number.

It is not a de Polignac number, because 1995502097 - 2⁴ = 1995502081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1995502997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997751048 + 997751049.

It is an arithmetic number, because the mean of its divisors is an integer number (997751049).

Almost surely, 2^1995502097 is an apocalyptic number.

It is an amenable number.

1995502097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1995502097 is an equidigital number, since it uses as much as digits as its factorization.

1995502097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 255150, while the sum is 47.

The square root of 1995502097 is about 44671.0431599711. The cubic root of 1995502097 is about 1258.9758405187.

The spelling of 1995502097 in words is "one billion, nine hundred ninety-five million, five hundred two thousand, ninety-seven".