680936025 has 48 divisors (see below), whose sum is σ = 1403624448. Its totient is φ = 282984000.

The previous prime is 680936021. The next prime is 680936033. The reversal of 680936025 is 520639086.

It is not a de Polignac number, because 680936025 - 2² = 680936021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680936021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53181 + ... + 64730.

It is an arithmetic number, because the mean of its divisors is an integer number (29242176).

Almost surely, 2^680936025 is an apocalyptic number.

It is an amenable number.

680936025 is an abundant number, since it is smaller than the sum of its proper divisors (722688423).

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

680936025 is a wasteful number, since it uses less digits than its factorization.

680936025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117942 (or 117937 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 680936025 is about 26094.7509089472. The cubic root of 680936025 is about 879.7692339982.

The spelling of 680936025 in words is "six hundred eighty million, nine hundred thirty-six thousand, twenty-five".