775273 has 2 divisors, whose sum is σ = 775274. Its totient is φ = 775272.

The previous prime is 775267. The next prime is 775309. The reversal of 775273 is 372577.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 719104 + 56169 = 848^2 + 237^2 .

It is a cyclic number.

It is not a de Polignac number, because 775273 - 2⁵ = 775241 is a prime.

It is not a weakly prime, because it can be changed into another prime (775573) 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, 387636 + 387637.

It is an arithmetic number, because the mean of its divisors is an integer number (387637).

2⁷⁷⁵²⁷³ is an apocalyptic number.

It is an amenable number.

775273 is a deficient number, since it is larger than the sum of its proper divisors (1).

775273 is an equidigital number, since it uses as much as digits as its factorization.

775273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10290, while the sum is 31.

The square root of 775273 is about 880.4958830114. The cubic root of 775273 is about 91.8653117339.

It can be divided in two parts, 775 and 273, that multiplied together give a triangular number (211575 = T₆₅₀).

The spelling of 775273 in words is "seven hundred seventy-five thousand, two hundred seventy-three".