312673 has 2 divisors, whose sum is σ = 312674. Its totient is φ = 312672.

The previous prime is 312643. The next prime is 312677. The reversal of 312673 is 376213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238144 + 74529 = 488^2 + 273^2 .

It is a cyclic number.

It is not a de Polignac number, because 312673 - 2⁹ = 312161 is a prime.

It is not a weakly prime, because it can be changed into another prime (312677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156336 + 156337.

It is an arithmetic number, because the mean of its divisors is an integer number (156337).

2³¹²⁶⁷³ is an apocalyptic number.

It is an amenable number.

312673 is a deficient number, since it is larger than the sum of its proper divisors (1).

312673 is an equidigital number, since it uses as much as digits as its factorization.

312673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 22.

The square root of 312673 is about 559.1717088695. The cubic root of 312673 is about 67.8729606180.

Adding to 312673 its reverse (376213), we get a palindrome (688886).

It can be divided in two parts, 31 and 2673, that added together give a square (2704 = 52²).

The spelling of 312673 in words is "three hundred twelve thousand, six hundred seventy-three".