685241303 has 2 divisors, whose sum is σ = 685241304. Its totient is φ = 685241302.

The previous prime is 685241299. The next prime is 685241311. The reversal of 685241303 is 303142586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 685241303 - 2² = 685241299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 685241303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (685241353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342620651 + 342620652.

It is an arithmetic number, because the mean of its divisors is an integer number (342620652).

Almost surely, 2^685241303 is an apocalyptic number.

685241303 is a deficient number, since it is larger than the sum of its proper divisors (1).

685241303 is an equidigital number, since it uses as much as digits as its factorization.

685241303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 685241303 is about 26177.1141075559. The cubic root of 685241303 is about 881.6194795058.

Adding to 685241303 its reverse (303142586), we get a palindrome (988383889).

The spelling of 685241303 in words is "six hundred eighty-five million, two hundred forty-one thousand, three hundred three".