97180243 has 2 divisors, whose sum is σ = 97180244. Its totient is φ = 97180242.

The previous prime is 97180207. The next prime is 97180253. The reversal of 97180243 is 34208179.

It is a strong prime.

It is an emirp because it is prime and its reverse (34208179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97180243 - 2¹⁷ = 97049171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97180199 and 97180208.

It is not a weakly prime, because it can be changed into another prime (97180253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48590121 + 48590122.

It is an arithmetic number, because the mean of its divisors is an integer number (48590122).

Almost surely, 2^97180243 is an apocalyptic number.

97180243 is a deficient number, since it is larger than the sum of its proper divisors (1).

97180243 is an equidigital number, since it uses as much as digits as its factorization.

97180243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 97180243 is about 9858.0040068971. The cubic root of 97180243 is about 459.7545051123.

The spelling of 97180243 in words is "ninety-seven million, one hundred eighty thousand, two hundred forty-three".