1650097117 has 2 divisors, whose sum is σ = 1650097118. Its totient is φ = 1650097116.

The previous prime is 1650097051. The next prime is 1650097121. The reversal of 1650097117 is 7117900561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1060870041 + 589227076 = 32571^2 + 24274^2 .

It is a cyclic number.

It is not a de Polignac number, because 1650097117 - 2⁷ = 1650096989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1650097417) 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, 825048558 + 825048559.

It is an arithmetic number, because the mean of its divisors is an integer number (825048559).

Almost surely, 2^1650097117 is an apocalyptic number.

It is an amenable number.

1650097117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1650097117 is an equidigital number, since it uses as much as digits as its factorization.

1650097117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 37.

The square root of 1650097117 is about 40621.3874332229. The cubic root of 1650097117 is about 1181.6889338172.

Adding to 1650097117 its reverse (7117900561), we get a palindrome (8767997678).

The spelling of 1650097117 in words is "one billion, six hundred fifty million, ninety-seven thousand, one hundred seventeen".