697973 has 2 divisors, whose sum is σ = 697974. Its totient is φ = 697972.

The previous prime is 697967. The next prime is 697979. The reversal of 697973 is 379796.

It is a balanced prime because it is at equal distance from previous prime (697967) and next prime (697979).

It can be written as a sum of positive squares in only one way, i.e., 552049 + 145924 = 743^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 697973 - 2⁶ = 697909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 697973.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697973.

It is not a weakly prime, because it can be changed into another prime (697979) 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, 348986 + 348987.

It is an arithmetic number, because the mean of its divisors is an integer number (348987).

2⁶⁹⁷⁹⁷³ is an apocalyptic number.

It is an amenable number.

697973 is a deficient number, since it is larger than the sum of its proper divisors (1).

697973 is an equidigital number, since it uses as much as digits as its factorization.

697973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71442, while the sum is 41.

The square root of 697973 is about 835.4477841254. The cubic root of 697973 is about 88.7046134395.

It can be divided in two parts, 6 and 97973, that added together give a palindrome (97979).

The spelling of 697973 in words is "six hundred ninety-seven thousand, nine hundred seventy-three".