312773 has 2 divisors, whose sum is σ = 312774. Its totient is φ = 312772.

The previous prime is 312757. The next prime is 312779. The reversal of 312773 is 377213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178084 + 134689 = 422^2 + 367^2 .

It is a cyclic number.

It is not a de Polignac number, because 312773 - 2⁴ = 312757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156386 + 156387.

It is an arithmetic number, because the mean of its divisors is an integer number (156387).

2³¹²⁷⁷³ is an apocalyptic number.

It is an amenable number.

312773 is a deficient number, since it is larger than the sum of its proper divisors (1).

312773 is an equidigital number, since it uses as much as digits as its factorization.

312773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882, while the sum is 23.

The square root of 312773 is about 559.2611196928. The cubic root of 312773 is about 67.8801956235.

Adding to 312773 its reverse (377213), we get a palindrome (689986).

The spelling of 312773 in words is "three hundred twelve thousand, seven hundred seventy-three", and thus it is an iban number.