670176613 has 2 divisors, whose sum is σ = 670176614. Its totient is φ = 670176612.

The previous prime is 670176593. The next prime is 670176623. The reversal of 670176613 is 316671076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 571114404 + 99062209 = 23898^2 + 9953^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670176613 is a prime.

It is a super-2 number, since 2×670176613² = 898273385224303538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670176623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335088306 + 335088307.

It is an arithmetic number, because the mean of its divisors is an integer number (335088307).

Almost surely, 2^670176613 is an apocalyptic number.

It is an amenable number.

670176613 is a deficient number, since it is larger than the sum of its proper divisors (1).

670176613 is an equidigital number, since it uses as much as digits as its factorization.

670176613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 670176613 is about 25887.7695640239. The cubic root of 670176613 is about 875.1108922857.

The spelling of 670176613 in words is "six hundred seventy million, one hundred seventy-six thousand, six hundred thirteen".