68627513 has 2 divisors, whose sum is σ = 68627514. Its totient is φ = 68627512.

The previous prime is 68627509. The next prime is 68627569. The reversal of 68627513 is 31572686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60171049 + 8456464 = 7757^2 + 2908^2 .

It is a cyclic number.

It is not a de Polignac number, because 68627513 - 2² = 68627509 is a prime.

It is not a weakly prime, because it can be changed into another prime (68627593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34313756 + 34313757.

It is an arithmetic number, because the mean of its divisors is an integer number (34313757).

Almost surely, 2^68627513 is an apocalyptic number.

It is an amenable number.

68627513 is a deficient number, since it is larger than the sum of its proper divisors (1).

68627513 is an equidigital number, since it uses as much as digits as its factorization.

68627513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 68627513 is about 8284.1724390551. The cubic root of 68627513 is about 409.4172029059.

The spelling of 68627513 in words is "sixty-eight million, six hundred twenty-seven thousand, five hundred thirteen".