68147503 has 2 divisors, whose sum is σ = 68147504. Its totient is φ = 68147502.

The previous prime is 68147501. The next prime is 68147531. The reversal of 68147503 is 30574186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68147503 - 2¹ = 68147501 is a prime.

Together with 68147501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68147501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34073751 + 34073752.

It is an arithmetic number, because the mean of its divisors is an integer number (34073752).

Almost surely, 2^68147503 is an apocalyptic number.

68147503 is a deficient number, since it is larger than the sum of its proper divisors (1).

68147503 is an equidigital number, since it uses as much as digits as its factorization.

68147503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 68147503 is about 8255.1500894896. The cubic root of 68147503 is about 408.4604227295.

It can be divided in two parts, 681 and 47503, that added together give a palindrome (48184).

The spelling of 68147503 in words is "sixty-eight million, one hundred forty-seven thousand, five hundred three".