677533 has 2 divisors, whose sum is σ = 677534. Its totient is φ = 677532.

The previous prime is 677531. The next prime is 677539. The reversal of 677533 is 335776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 675684 + 1849 = 822^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 677533 - 2¹ = 677531 is a prime.

Together with 677531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 677495 and 677504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677531) 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, 338766 + 338767.

It is an arithmetic number, because the mean of its divisors is an integer number (338767).

2⁶⁷⁷⁵³³ is an apocalyptic number.

It is an amenable number.

677533 is a deficient number, since it is larger than the sum of its proper divisors (1).

677533 is an equidigital number, since it uses as much as digits as its factorization.

677533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 31.

The square root of 677533 is about 823.1239274860. The cubic root of 677533 is about 87.8301216519.

The spelling of 677533 in words is "six hundred seventy-seven thousand, five hundred thirty-three".