680025271 has 4 divisors (see below), whose sum is σ = 683548912. Its totient is φ = 676501632.

The previous prime is 680025259. The next prime is 680025287. The reversal of 680025271 is 172520086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680025271 - 2²⁹ = 143154359 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 (680025571) 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, 1761531 + ... + 1761916.

It is an arithmetic number, because the mean of its divisors is an integer number (170887228).

Almost surely, 2^680025271 is an apocalyptic number.

680025271 is a deficient number, since it is larger than the sum of its proper divisors (3523641).

680025271 is a wasteful number, since it uses less digits than its factorization.

680025271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523640.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 680025271 is about 26077.2941656147. The cubic root of 680025271 is about 879.3768276577.

The spelling of 680025271 in words is "six hundred eighty million, twenty-five thousand, two hundred seventy-one".