68948497 has 2 divisors, whose sum is σ = 68948498. Its totient is φ = 68948496.

The previous prime is 68948491. The next prime is 68948513. The reversal of 68948497 is 79484986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41165056 + 27783441 = 6416^2 + 5271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68948497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68948491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34474248 + 34474249.

It is an arithmetic number, because the mean of its divisors is an integer number (34474249).

Almost surely, 2^68948497 is an apocalyptic number.

It is an amenable number.

68948497 is a deficient number, since it is larger than the sum of its proper divisors (1).

68948497 is an equidigital number, since it uses as much as digits as its factorization.

68948497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 55.

The square root of 68948497 is about 8303.5231679089. The cubic root of 68948497 is about 410.0545178347.

The spelling of 68948497 in words is "sixty-eight million, nine hundred forty-eight thousand, four hundred ninety-seven".