68530303 has 2 divisors, whose sum is σ = 68530304. Its totient is φ = 68530302.

The previous prime is 68530291. The next prime is 68530307. The reversal of 68530303 is 30303586.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68530303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68530307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34265151 + 34265152.

It is an arithmetic number, because the mean of its divisors is an integer number (34265152).

Almost surely, 2^68530303 is an apocalyptic number.

68530303 is a deficient number, since it is larger than the sum of its proper divisors (1).

68530303 is an equidigital number, since it uses as much as digits as its factorization.

68530303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 68530303 is about 8278.3031473847. The cubic root of 68530303 is about 409.2238001380.

Adding to 68530303 its reverse (30303586), we get a palindrome (98833889).

The spelling of 68530303 in words is "sixty-eight million, five hundred thirty thousand, three hundred three".