680451052 has 12 divisors (see below), whose sum is σ = 1199482200. Its totient is φ = 337741856.

The previous prime is 680451017. The next prime is 680451059. The reversal of 680451052 is 250154086.

It is not an unprimeable number, because it can be changed into a prime (680451059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620302 + ... + 621397.

It is an arithmetic number, because the mean of its divisors is an integer number (99956850).

Almost surely, 2^680451052 is an apocalyptic number.

It is an amenable number.

680451052 is a deficient number, since it is larger than the sum of its proper divisors (519031148).

680451052 is a wasteful number, since it uses less digits than its factorization.

680451052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241840 (or 1241838 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 680451052 is about 26085.4567144223. The cubic root of 680451052 is about 879.5603227146.

The spelling of 680451052 in words is "six hundred eighty million, four hundred fifty-one thousand, fifty-two".