680293025 has 24 divisors (see below), whose sum is σ = 854763000. Its totient is φ = 537062400.

The previous prime is 680293021. The next prime is 680293039. The reversal of 680293025 is 520392086.

It can be written as a sum of positive squares in 12 ways, for example, as 587189824 + 93103201 = 24232^2 + 9649^2 .

It is not a de Polignac number, because 680293025 - 2² = 680293021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680293021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 673721 + ... + 674729.

It is an arithmetic number, because the mean of its divisors is an integer number (35615125).

Almost surely, 2^680293025 is an apocalyptic number.

It is an amenable number.

680293025 is a deficient number, since it is larger than the sum of its proper divisors (174469975).

680293025 is a wasteful number, since it uses less digits than its factorization.

680293025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 680293025 is about 26082.4275135579. The cubic root of 680293025 is about 879.4922281568.

The spelling of 680293025 in words is "six hundred eighty million, two hundred ninety-three thousand, twenty-five".