680563575 has 36 divisors (see below), whose sum is σ = 1220912680. Its totient is φ = 362387520.

The previous prime is 680563547. The next prime is 680563579. The reversal of 680563575 is 575365086.

680563575 is a `hidden beast` number, since 6 + 8 + 0 + 5 + 635 + 7 + 5 = 666.

It is not a de Polignac number, because 680563575 - 2⁶ = 680563511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 680563575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680563579) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 164229 + ... + 168321.

Almost surely, 2^680563575 is an apocalyptic number.

680563575 is a deficient number, since it is larger than the sum of its proper divisors (540349105).

680563575 is a wasteful number, since it uses less digits than its factorization.

680563575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4848 (or 4840 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 680563575 is about 26087.6134400983. The cubic root of 680563575 is about 879.6088029645.

It can be divided in two parts, 68056 and 3575, that added together give a triangular number (71631 = T₃₇₈).

The spelling of 680563575 in words is "six hundred eighty million, five hundred sixty-three thousand, five hundred seventy-five".