671360461 has 2 divisors, whose sum is σ = 671360462. Its totient is φ = 671360460.

The previous prime is 671360441. The next prime is 671360471. The reversal of 671360461 is 164063176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 608855625 + 62504836 = 24675^2 + 7906^2 .

It is a cyclic number.

It is not a de Polignac number, because 671360461 - 2¹⁵ = 671327693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671360441) 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, 335680230 + 335680231.

It is an arithmetic number, because the mean of its divisors is an integer number (335680231).

Almost surely, 2^671360461 is an apocalyptic number.

It is an amenable number.

671360461 is a deficient number, since it is larger than the sum of its proper divisors (1).

671360461 is an equidigital number, since it uses as much as digits as its factorization.

671360461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 671360461 is about 25910.6244810888. The cubic root of 671360461 is about 875.6258753697.

The spelling of 671360461 in words is "six hundred seventy-one million, three hundred sixty thousand, four hundred sixty-one".