680264501 has 6 divisors (see below), whose sum is σ = 791328150. Its totient is φ = 583083816.

The previous prime is 680264479. The next prime is 680264509. The reversal of 680264501 is 105462086.

It can be written as a sum of positive squares in only one way, i.e., 585591601 + 94672900 = 24199^2 + 9730^2 .

It is not a de Polignac number, because 680264501 - 2⁶ = 680264437 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 (680264509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6941426 + ... + 6941523.

It is an arithmetic number, because the mean of its divisors is an integer number (131888025).

Almost surely, 2^680264501 is an apocalyptic number.

It is an amenable number.

680264501 is a deficient number, since it is larger than the sum of its proper divisors (111063649).

680264501 is a wasteful number, since it uses less digits than its factorization.

680264501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13882963 (or 13882956 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 680264501 is about 26081.8807028941. The cubic root of 680264501 is about 879.4799359111.

It can be divided in two parts, 68026 and 4501, that added together give a palindrome (72527).

The spelling of 680264501 in words is "six hundred eighty million, two hundred sixty-four thousand, five hundred one".