82309097 has 4 divisors (see below), whose sum is σ = 88640580. Its totient is φ = 75977616.

The previous prime is 82309091. The next prime is 82309103. The reversal of 82309097 is 79090328.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (82309091) and next prime (82309103).

It can be written as a sum of positive squares in 2 ways, for example, as 31315216 + 50993881 = 5596^2 + 7141^2 .

It is not a de Polignac number, because 82309097 - 2¹⁰ = 82308073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82309097.

It is not an unprimeable number, because it can be changed into a prime (82309091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3165722 + ... + 3165747.

It is an arithmetic number, because the mean of its divisors is an integer number (22160145).

Almost surely, 2^82309097 is an apocalyptic number.

It is an amenable number.

82309097 is a deficient number, since it is larger than the sum of its proper divisors (6331483).

82309097 is a wasteful number, since it uses less digits than its factorization.

82309097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6331482.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 82309097 is about 9072.4361116516. The cubic root of 82309097 is about 434.9933446817.

The spelling of 82309097 in words is "eighty-two million, three hundred nine thousand, ninety-seven".