680522052 has 48 divisors (see below), whose sum is σ = 1816843392. Its totient is φ = 194208000.

The previous prime is 680522023. The next prime is 680522057. The reversal of 680522052 is 250225086.

It is a super-2 number, since 2×680522052² = 926220526516581408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (680522057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75802 + ... + 84302.

It is an arithmetic number, because the mean of its divisors is an integer number (37850904).

Almost surely, 2^680522052 is an apocalyptic number.

It is an amenable number.

680522052 is an abundant number, since it is smaller than the sum of its proper divisors (1136321340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680522052 is a wasteful number, since it uses less digits than its factorization.

680522052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468 (or 9466 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 680522052 is about 26086.8175904996. The cubic root of 680522052 is about 879.5909135072.

The spelling of 680522052 in words is "six hundred eighty million, five hundred twenty-two thousand, fifty-two".