97973 has 2 divisors, whose sum is σ = 97974. Its totient is φ = 97972.

The previous prime is 97967. The next prime is 97987. The reversal of 97973 is 37979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97969 + 4 = 313^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97973 is a prime.

It is a nialpdrome in base 7.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48986 + 48987.

It is an arithmetic number, because the mean of its divisors is an integer number (48987).

2⁹⁷⁹⁷³ is an apocalyptic number.

It is an amenable number.

97973 is a deficient number, since it is larger than the sum of its proper divisors (1).

97973 is an equidigital number, since it uses as much as digits as its factorization.

97973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11907, while the sum is 35.

The square root of 97973 is about 313.0063897111. The cubic root of 97973 is about 46.1001284575.

The spelling of 97973 in words is "ninety-seven thousand, nine hundred seventy-three".