680416252 has 12 divisors (see below), whose sum is σ = 1193494176. Its totient is φ = 339417920.

The previous prime is 680416229. The next prime is 680416267. The reversal of 680416252 is 252614086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195613 + ... + 199060.

It is an arithmetic number, because the mean of its divisors is an integer number (99457848).

Almost surely, 2^680416252 is an apocalyptic number.

It is an amenable number.

680416252 is a deficient number, since it is larger than the sum of its proper divisors (513077924).

680416252 is a wasteful number, since it uses less digits than its factorization.

680416252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395108 (or 395106 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 680416252 is about 26084.7896675438. The cubic root of 680416252 is about 879.5453281405.

The spelling of 680416252 in words is "six hundred eighty million, four hundred sixteen thousand, two hundred fifty-two".