825277 has 2 divisors, whose sum is σ = 825278. Its totient is φ = 825276.

The previous prime is 825259. The next prime is 825281. The reversal of 825277 is 772528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 715716 + 109561 = 846^2 + 331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-825277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412638 + 412639.

It is an arithmetic number, because the mean of its divisors is an integer number (412639).

2⁸²⁵²⁷⁷ is an apocalyptic number.

It is an amenable number.

825277 is a deficient number, since it is larger than the sum of its proper divisors (1).

825277 is an equidigital number, since it uses as much as digits as its factorization.

825277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7840, while the sum is 31.

The square root of 825277 is about 908.4475769135. The cubic root of 825277 is about 93.7993683686.

The spelling of 825277 in words is "eight hundred twenty-five thousand, two hundred seventy-seven".