82040597 has 2 divisors, whose sum is σ = 82040598. Its totient is φ = 82040596.

The previous prime is 82040593. The next prime is 82040611. The reversal of 82040597 is 79504028.

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., 81558961 + 481636 = 9031^2 + 694^2 .

It is a cyclic number.

It is not a de Polignac number, because 82040597 - 2² = 82040593 is a prime.

It is a super-2 number, since 2×82040597² = 13461319112232818, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82040591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41020298 + 41020299.

It is an arithmetic number, because the mean of its divisors is an integer number (41020299).

Almost surely, 2^82040597 is an apocalyptic number.

It is an amenable number.

82040597 is a deficient number, since it is larger than the sum of its proper divisors (1).

82040597 is an equidigital number, since it uses as much as digits as its factorization.

82040597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 82040597 is about 9057.6264550930. The cubic root of 82040597 is about 434.5198330550.

The spelling of 82040597 in words is "eighty-two million, forty thousand, five hundred ninety-seven".