680707501 has 6 divisors (see below), whose sum is σ = 696907950. Its totient is φ = 664875288.

The previous prime is 680707487. The next prime is 680707513. The reversal of 680707501 is 105707086.

It can be written as a sum of positive squares in only one way, i.e., 374422500 + 306285001 = 19350^2 + 17501^2 .

It is not a de Polignac number, because 680707501 - 2⁷ = 680707373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680707561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182226 + ... + 185923.

It is an arithmetic number, because the mean of its divisors is an integer number (116151325).

Almost surely, 2^680707501 is an apocalyptic number.

It is an amenable number.

680707501 is a deficient number, since it is larger than the sum of its proper divisors (16200449).

680707501 is an equidigital number, since it uses as much as digits as its factorization.

680707501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368235 (or 368192 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 680707501 is about 26090.3718064730. The cubic root of 680707501 is about 879.6708053294.

The spelling of 680707501 in words is "six hundred eighty million, seven hundred seven thousand, five hundred one".