82373197 has 2 divisors, whose sum is σ = 82373198. Its totient is φ = 82373196.

The previous prime is 82373147. The next prime is 82373209. The reversal of 82373197 is 79137328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82337476 + 35721 = 9074^2 + 189^2 .

It is a cyclic number.

It is not a de Polignac number, because 82373197 - 2⁷ = 82373069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82373147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41186598 + 41186599.

It is an arithmetic number, because the mean of its divisors is an integer number (41186599).

Almost surely, 2^82373197 is an apocalyptic number.

It is an amenable number.

82373197 is a deficient number, since it is larger than the sum of its proper divisors (1).

82373197 is an equidigital number, since it uses as much as digits as its factorization.

82373197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 82373197 is about 9075.9681026324. The cubic root of 82373197 is about 435.1062355583.

The spelling of 82373197 in words is "eighty-two million, three hundred seventy-three thousand, one hundred ninety-seven".