677461 has 2 divisors, whose sum is σ = 677462. Its totient is φ = 677460.

The previous prime is 677459. The next prime is 677471. The reversal of 677461 is 164776.

677461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624100 + 53361 = 790^2 + 231^2 .

It is a cyclic number.

It is not a de Polignac number, because 677461 - 2¹ = 677459 is a prime.

Together with 677459, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338730 + 338731.

It is an arithmetic number, because the mean of its divisors is an integer number (338731).

2⁶⁷⁷⁴⁶¹ is an apocalyptic number.

It is an amenable number.

677461 is a deficient number, since it is larger than the sum of its proper divisors (1).

677461 is an equidigital number, since it uses as much as digits as its factorization.

677461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 31.

The square root of 677461 is about 823.0801905039. The cubic root of 677461 is about 87.8270103679.

The spelling of 677461 in words is "six hundred seventy-seven thousand, four hundred sixty-one".