97159243 has 2 divisors, whose sum is σ = 97159244. Its totient is φ = 97159242.

The previous prime is 97159211. The next prime is 97159261. The reversal of 97159243 is 34295179.

It is a strong prime.

It is an emirp because it is prime and its reverse (34295179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97159243 - 2⁵ = 97159211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97159196 and 97159205.

It is not a weakly prime, because it can be changed into another prime (97159943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48579621 + 48579622.

It is an arithmetic number, because the mean of its divisors is an integer number (48579622).

Almost surely, 2^97159243 is an apocalyptic number.

97159243 is a deficient number, since it is larger than the sum of its proper divisors (1).

97159243 is an equidigital number, since it uses as much as digits as its factorization.

97159243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 97159243 is about 9856.9388250105. The cubic root of 97159243 is about 459.7213861030.

The spelling of 97159243 in words is "ninety-seven million, one hundred fifty-nine thousand, two hundred forty-three".