540677 has 2 divisors, whose sum is σ = 540678. Its totient is φ = 540676.

The previous prime is 540629. The next prime is 540679. The reversal of 540677 is 776045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 516961 + 23716 = 719^2 + 154^2 .

It is a cyclic number.

It is not a de Polignac number, because 540677 - 2⁶ = 540613 is a prime.

Together with 540679, 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 (540679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270338 + 270339.

It is an arithmetic number, because the mean of its divisors is an integer number (270339).

2⁵⁴⁰⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

540677 is a deficient number, since it is larger than the sum of its proper divisors (1).

540677 is an equidigital number, since it uses as much as digits as its factorization.

540677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 540677 is about 735.3074187032. The cubic root of 540677 is about 81.4665450404.

The spelling of 540677 in words is "five hundred forty thousand, six hundred seventy-seven".