670560577 has 2 divisors, whose sum is σ = 670560578. Its totient is φ = 670560576.

The previous prime is 670560557. The next prime is 670560593. The reversal of 670560577 is 775065076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 669981456 + 579121 = 25884^2 + 761^2 .

It is a cyclic number.

It is not a de Polignac number, because 670560577 - 2¹¹ = 670558529 is a prime.

It is equal to p_34805977 and since 670560577 and 34805977 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (670560557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335280288 + 335280289.

It is an arithmetic number, because the mean of its divisors is an integer number (335280289).

Almost surely, 2^670560577 is an apocalyptic number.

It is an amenable number.

670560577 is a deficient number, since it is larger than the sum of its proper divisors (1).

670560577 is an equidigital number, since it uses as much as digits as its factorization.

670560577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 308700, while the sum is 43.

The square root of 670560577 is about 25895.1844364932. The cubic root of 670560577 is about 875.2779860151.

The spelling of 670560577 in words is "six hundred seventy million, five hundred sixty thousand, five hundred seventy-seven".