97174232137 has 2 divisors, whose sum is σ = 97174232138. Its totient is φ = 97174232136.

The previous prime is 97174232107. The next prime is 97174232227. The reversal of 97174232137 is 73123247179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62452009216 + 34722222921 = 249904^2 + 186339^2 .

It is a cyclic number.

It is not a de Polignac number, because 97174232137 - 2¹¹ = 97174230089 is a prime.

It is not a weakly prime, because it can be changed into another prime (97174232107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48587116068 + 48587116069.

It is an arithmetic number, because the mean of its divisors is an integer number (48587116069).

Almost surely, 2^97174232137 is an apocalyptic number.

It is an amenable number.

97174232137 is a deficient number, since it is larger than the sum of its proper divisors (1).

97174232137 is an equidigital number, since it uses as much as digits as its factorization.

97174232137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 46.

The spelling of 97174232137 in words is "ninety-seven billion, one hundred seventy-four million, two hundred thirty-two thousand, one hundred thirty-seven".