670506041 has 2 divisors, whose sum is σ = 670506042. Its totient is φ = 670506040.

The previous prime is 670505989. The next prime is 670506047. The reversal of 670506041 is 140605076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440832016 + 229674025 = 20996^2 + 15155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670506041 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 670505995 and 670506013.

It is not a weakly prime, because it can be changed into another prime (670506047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335253020 + 335253021.

It is an arithmetic number, because the mean of its divisors is an integer number (335253021).

Almost surely, 2^670506041 is an apocalyptic number.

It is an amenable number.

670506041 is a deficient number, since it is larger than the sum of its proper divisors (1).

670506041 is an equidigital number, since it uses as much as digits as its factorization.

670506041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 670506041 is about 25894.1314007634. The cubic root of 670506041 is about 875.2542568866.

The spelling of 670506041 in words is "six hundred seventy million, five hundred six thousand, forty-one".