680502041 has 4 divisors (see below), whose sum is σ = 681711312. Its totient is φ = 679292772.

The previous prime is 680502037. The next prime is 680502073. The reversal of 680502041 is 140205086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 680502041 - 2² = 680502037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 680502041.

It is not an unprimeable number, because it can be changed into a prime (680502341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603791 + ... + 604916.

It is an arithmetic number, because the mean of its divisors is an integer number (170427828).

Almost surely, 2^680502041 is an apocalyptic number.

It is an amenable number.

680502041 is a deficient number, since it is larger than the sum of its proper divisors (1209271).

680502041 is a wasteful number, since it uses less digits than its factorization.

680502041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209270.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 680502041 is about 26086.4340414707. The cubic root of 680502041 is about 879.5822918584.

The spelling of 680502041 in words is "six hundred eighty million, five hundred two thousand, forty-one".