680525336 has 8 divisors (see below), whose sum is σ = 1275985020. Its totient is φ = 340262664.

The previous prime is 680525327. The next prime is 680525341. The reversal of 680525336 is 633525086.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×680525336² = 926229465875825792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 680525336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42532826 + ... + 42532841.

Almost surely, 2^680525336 is an apocalyptic number.

It is an amenable number.

680525336 is a deficient number, since it is larger than the sum of its proper divisors (595459684).

680525336 is a wasteful number, since it uses less digits than its factorization.

680525336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85065673 (or 85065669 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 680525336 is about 26086.8805340922. The cubic root of 680525336 is about 879.5923283875.

The spelling of 680525336 in words is "six hundred eighty million, five hundred twenty-five thousand, three hundred thirty-six".