973213 has 2 divisors, whose sum is σ = 973214. Its totient is φ = 973212.

The previous prime is 973187. The next prime is 973253. The reversal of 973213 is 312379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 887364 + 85849 = 942^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 973213 - 2⁹ = 972701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (973253) 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, 486606 + 486607.

It is an arithmetic number, because the mean of its divisors is an integer number (486607).

2⁹⁷³²¹³ is an apocalyptic number.

It is an amenable number.

973213 is a deficient number, since it is larger than the sum of its proper divisors (1).

973213 is an equidigital number, since it uses as much as digits as its factorization.

973213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134, while the sum is 25.

The square root of 973213 is about 986.5155852798. The cubic root of 973213 is about 99.0990064875.

The spelling of 973213 in words is "nine hundred seventy-three thousand, two hundred thirteen".