97172963 has 2 divisors, whose sum is σ = 97172964. Its totient is φ = 97172962.

The previous prime is 97172917. The next prime is 97172983. The reversal of 97172963 is 36927179.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97172963 - 2¹⁸ = 96910819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97172983) 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, 48586481 + 48586482.

It is an arithmetic number, because the mean of its divisors is an integer number (48586482).

Almost surely, 2^97172963 is an apocalyptic number.

97172963 is a deficient number, since it is larger than the sum of its proper divisors (1).

97172963 is an equidigital number, since it uses as much as digits as its factorization.

97172963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 44.

The square root of 97172963 is about 9857.6347568775. The cubic root of 97172963 is about 459.7430243961.

The spelling of 97172963 in words is "ninety-seven million, one hundred seventy-two thousand, nine hundred sixty-three".