97018913 has 2 divisors, whose sum is σ = 97018914. Its totient is φ = 97018912.

The previous prime is 97018907. The next prime is 97018937. The reversal of 97018913 is 31981079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54937744 + 42081169 = 7412^2 + 6487^2 .

It is a cyclic number.

It is not a de Polignac number, because 97018913 - 2⁸ = 97018657 is a prime.

It is not a weakly prime, because it can be changed into another prime (97012913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48509456 + 48509457.

It is an arithmetic number, because the mean of its divisors is an integer number (48509457).

Almost surely, 2^97018913 is an apocalyptic number.

It is an amenable number.

97018913 is a deficient number, since it is larger than the sum of its proper divisors (1).

97018913 is an equidigital number, since it uses as much as digits as its factorization.

97018913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 97018913 is about 9849.8179170988. The cubic root of 97018913 is about 459.4999496780.

The spelling of 97018913 in words is "ninety-seven million, eighteen thousand, nine hundred thirteen".