677081 has 2 divisors, whose sum is σ = 677082. Its totient is φ = 677080.

The previous prime is 677077. The next prime is 677107. The reversal of 677081 is 180776.

677081 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., 384400 + 292681 = 620^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 677081 - 2² = 677077 is a prime.

It is a super-2 number, since 2×677081² = 916877361122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (677011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338540 + 338541.

It is an arithmetic number, because the mean of its divisors is an integer number (338541).

2⁶⁷⁷⁰⁸¹ is an apocalyptic number.

It is an amenable number.

677081 is a deficient number, since it is larger than the sum of its proper divisors (1).

677081 is an equidigital number, since it uses as much as digits as its factorization.

677081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 677081 is about 822.8493179191. The cubic root of 677081 is about 87.8105860493.

The spelling of 677081 in words is "six hundred seventy-seven thousand, eighty-one".