97517941 has 2 divisors, whose sum is σ = 97517942. Its totient is φ = 97517940.

The previous prime is 97517939. The next prime is 97517963. The reversal of 97517941 is 14971579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56685841 + 40832100 = 7529^2 + 6390^2 .

It is a cyclic number.

It is not a de Polignac number, because 97517941 - 2¹ = 97517939 is a prime.

Together with 97517939, it forms a pair of twin primes.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97517911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48758970 + 48758971.

It is an arithmetic number, because the mean of its divisors is an integer number (48758971).

Almost surely, 2^97517941 is an apocalyptic number.

It is an amenable number.

97517941 is a deficient number, since it is larger than the sum of its proper divisors (1).

97517941 is an equidigital number, since it uses as much as digits as its factorization.

97517941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 43.

The square root of 97517941 is about 9875.1172651265. The cubic root of 97517941 is about 460.2864331378.

The spelling of 97517941 in words is "ninety-seven million, five hundred seventeen thousand, nine hundred forty-one".