680550563 has 12 divisors (see below), whose sum is σ = 863630712. Its totient is φ = 530298720.

The previous prime is 680550527. The next prime is 680550599. The reversal of 680550563 is 365055086.

It is an interprime number because it is at equal distance from previous prime (680550527) and next prime (680550599).

It is not a de Polignac number, because 680550563 - 2¹² = 680546467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (686550563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630770 + ... + 631847.

It is an arithmetic number, because the mean of its divisors is an integer number (71969226).

Almost surely, 2^680550563 is an apocalyptic number.

680550563 is a deficient number, since it is larger than the sum of its proper divisors (183080149).

680550563 is a wasteful number, since it uses less digits than its factorization.

680550563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262642 (or 1262635 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 680550563 is about 26087.3640485197. The cubic root of 680550563 is about 879.6031970505.

The spelling of 680550563 in words is "six hundred eighty million, five hundred fifty thousand, five hundred sixty-three".