680354513 has 8 divisors (see below), whose sum is σ = 710569536. Its totient is φ = 650192400.

The previous prime is 680354461. The next prime is 680354539. The reversal of 680354513 is 315453086.

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 680354513 - 2²⁰ = 679305937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (680354813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14303 + ... + 39563.

It is an arithmetic number, because the mean of its divisors is an integer number (88821192).

Almost surely, 2^680354513 is an apocalyptic number.

It is an amenable number.

680354513 is a deficient number, since it is larger than the sum of its proper divisors (30215023).

680354513 is a wasteful number, since it uses less digits than its factorization.

680354513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26455.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 680354513 is about 26083.6062115651. The cubic root of 680354513 is about 879.5187248707.

It can be divided in two parts, 6803 and 54513, that added together give a palindrome (61316).

The spelling of 680354513 in words is "six hundred eighty million, three hundred fifty-four thousand, five hundred thirteen".