682680261 has 4 divisors (see below), whose sum is σ = 910240352. Its totient is φ = 455120172.

The previous prime is 682680259. The next prime is 682680269. The reversal of 682680261 is 162086286.

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 not a de Polignac number, because 682680261 - 2¹ = 682680259 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 (682680269) 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, 113780041 + ... + 113780046.

It is an arithmetic number, because the mean of its divisors is an integer number (227560088).

Almost surely, 2^682680261 is an apocalyptic number.

It is an amenable number.

682680261 is a deficient number, since it is larger than the sum of its proper divisors (227560091).

682680261 is a wasteful number, since it uses less digits than its factorization.

682680261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227560090.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 682680261 is about 26128.1507382363. The cubic root of 682680261 is about 880.5197777263.

The spelling of 682680261 in words is "six hundred eighty-two million, six hundred eighty thousand, two hundred sixty-one".