68460517 has 2 divisors, whose sum is σ = 68460518. Its totient is φ = 68460516.

The previous prime is 68460463. The next prime is 68460523. The reversal of 68460517 is 71506486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68409441 + 51076 = 8271^2 + 226^2 .

It is a cyclic number.

It is not a de Polignac number, because 68460517 - 2¹¹ = 68458469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68460017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34230258 + 34230259.

It is an arithmetic number, because the mean of its divisors is an integer number (34230259).

Almost surely, 2^68460517 is an apocalyptic number.

It is an amenable number.

68460517 is a deficient number, since it is larger than the sum of its proper divisors (1).

68460517 is an equidigital number, since it uses as much as digits as its factorization.

68460517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 68460517 is about 8274.0870795514. The cubic root of 68460517 is about 409.0848455921.

The spelling of 68460517 in words is "sixty-eight million, four hundred sixty thousand, five hundred seventeen".