985277 has 2 divisors, whose sum is σ = 985278. Its totient is φ = 985276.

The previous prime is 985253. The next prime is 985279. The reversal of 985277 is 772589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942841 + 42436 = 971^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 985277 - 2⁶ = 985213 is a prime.

Together with 985279, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 985277.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 985277.

It is not a weakly prime, because it can be changed into another prime (985279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492638 + 492639.

It is an arithmetic number, because the mean of its divisors is an integer number (492639).

2⁹⁸⁵²⁷⁷ is an apocalyptic number.

It is an amenable number.

985277 is a deficient number, since it is larger than the sum of its proper divisors (1).

985277 is an equidigital number, since it uses as much as digits as its factorization.

985277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 38.

The square root of 985277 is about 992.6112028383. The cubic root of 985277 is about 99.5068049183.

The spelling of 985277 in words is "nine hundred eighty-five thousand, two hundred seventy-seven".