680015753 has 2 divisors, whose sum is σ = 680015754. Its totient is φ = 680015752.

The previous prime is 680015741. The next prime is 680015767. The reversal of 680015753 is 357510086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370678009 + 309337744 = 19253^2 + 17588^2 .

It is a cyclic number.

It is not a de Polignac number, because 680015753 - 2⁶ = 680015689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (680015353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340007876 + 340007877.

It is an arithmetic number, because the mean of its divisors is an integer number (340007877).

Almost surely, 2^680015753 is an apocalyptic number.

It is an amenable number.

680015753 is a deficient number, since it is larger than the sum of its proper divisors (1).

680015753 is an equidigital number, since it uses as much as digits as its factorization.

680015753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 680015753 is about 26077.1116690480. Note that the first 3 decimals coincide. The cubic root of 680015753 is about 879.3727248947.

The spelling of 680015753 in words is "six hundred eighty million, fifteen thousand, seven hundred fifty-three".