68543003 has 2 divisors, whose sum is σ = 68543004. Its totient is φ = 68543002.

The previous prime is 68542973. The next prime is 68543009. The reversal of 68543003 is 30034586.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68543003 - 2¹⁶ = 68477467 is a prime.

It is not a weakly prime, because it can be changed into another prime (68543009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34271501 + 34271502.

It is an arithmetic number, because the mean of its divisors is an integer number (34271502).

Almost surely, 2^68543003 is an apocalyptic number.

68543003 is a deficient number, since it is larger than the sum of its proper divisors (1).

68543003 is an equidigital number, since it uses as much as digits as its factorization.

68543003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 68543003 is about 8279.0701772602. The cubic root of 68543003 is about 409.2490776236.

Adding to 68543003 its reverse (30034586), we get a palindrome (98577589).

The spelling of 68543003 in words is "sixty-eight million, five hundred forty-three thousand, three".