82302005 has 4 divisors (see below), whose sum is σ = 98762412. Its totient is φ = 65841600.

The previous prime is 82301953. The next prime is 82302019. The reversal of 82302005 is 50020328.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22363441 + 59938564 = 4729^2 + 7742^2 .

It is a de Polignac number, because none of the positive numbers 2^k-82302005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8230196 + ... + 8230205.

It is an arithmetic number, because the mean of its divisors is an integer number (24690603).

Almost surely, 2^82302005 is an apocalyptic number.

It is an amenable number.

82302005 is a deficient number, since it is larger than the sum of its proper divisors (16460407).

82302005 is a wasteful number, since it uses less digits than its factorization.

82302005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16460406.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 82302005 is about 9072.0452490053. The cubic root of 82302005 is about 434.9808508768.

The spelling of 82302005 in words is "eighty-two million, three hundred two thousand, five".