711973 has 2 divisors, whose sum is σ = 711974. Its totient is φ = 711972.

The previous prime is 711967. The next prime is 711983. The reversal of 711973 is 379117.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 669124 + 42849 = 818^2 + 207^2 .

It is a cyclic number.

It is not a de Polignac number, because 711973 - 2¹⁷ = 580901 is a prime.

711973 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (711913) 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, 355986 + 355987.

It is an arithmetic number, because the mean of its divisors is an integer number (355987).

2⁷¹¹⁹⁷³ is an apocalyptic number.

It is an amenable number.

711973 is a deficient number, since it is larger than the sum of its proper divisors (1).

711973 is an equidigital number, since it uses as much as digits as its factorization.

711973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1323, while the sum is 28.

The square root of 711973 is about 843.7849252031. The cubic root of 711973 is about 89.2937731697.

The spelling of 711973 in words is "seven hundred eleven thousand, nine hundred seventy-three".