670577 has 2 divisors, whose sum is σ = 670578. Its totient is φ = 670576.

The previous prime is 670559. The next prime is 670583. The reversal of 670577 is 775076.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541696 + 128881 = 736^2 + 359^2 .

It is a cyclic number.

It is not a de Polignac number, because 670577 - 2⁸ = 670321 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670577.

It is not a weakly prime, because it can be changed into another prime (670507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335288 + 335289.

It is an arithmetic number, because the mean of its divisors is an integer number (335289).

2⁶⁷⁰⁵⁷⁷ is an apocalyptic number.

It is an amenable number.

670577 is a deficient number, since it is larger than the sum of its proper divisors (1).

670577 is an equidigital number, since it uses as much as digits as its factorization.

670577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 670577 is about 818.8876601830. The cubic root of 670577 is about 87.5285131565.

The spelling of 670577 in words is "six hundred seventy thousand, five hundred seventy-seven".