680345003 has 8 divisors (see below), whose sum is σ = 756314496. Its totient is φ = 607752000.

The previous prime is 680344999. The next prime is 680345023. The reversal of 680345003 is 300543086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 680345003 - 2² = 680344999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680345023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843698 + ... + 844503.

It is an arithmetic number, because the mean of its divisors is an integer number (94539312).

Almost surely, 2^680345003 is an apocalyptic number.

680345003 is a deficient number, since it is larger than the sum of its proper divisors (75969493).

680345003 is a wasteful number, since it uses less digits than its factorization.

680345003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688245.

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

The square root of 680345003 is about 26083.4239125158. The cubic root of 680345003 is about 879.5146268787.

Adding to 680345003 its reverse (300543086), we get a palindrome (980888089).

It can be divided in two parts, 68034 and 5003, that added together give a palindrome (73037).

The spelling of 680345003 in words is "six hundred eighty million, three hundred forty-five thousand, three".