97191041 has 2 divisors, whose sum is σ = 97191042. Its totient is φ = 97191040.

The previous prime is 97191013. The next prime is 97191043. The reversal of 97191041 is 14019179.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96432400 + 758641 = 9820^2 + 871^2 .

It is an emirp because it is prime and its reverse (14019179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97191041 - 2²⁶ = 30082177 is a prime.

Together with 97191043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97190989 and 97191007.

It is not a weakly prime, because it can be changed into another prime (97191043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48595520 + 48595521.

It is an arithmetic number, because the mean of its divisors is an integer number (48595521).

Almost surely, 2^97191041 is an apocalyptic number.

It is an amenable number.

97191041 is a deficient number, since it is larger than the sum of its proper divisors (1).

97191041 is an equidigital number, since it uses as much as digits as its factorization.

97191041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 97191041 is about 9858.5516684754. The cubic root of 97191041 is about 459.7715327342.

The spelling of 97191041 in words is "ninety-seven million, one hundred ninety-one thousand, forty-one".