82023505 has 8 divisors (see below), whose sum is σ = 99614592. Its totient is φ = 64827888.

The previous prime is 82023503. The next prime is 82023523. The reversal of 82023505 is 50532028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82023505 - 2¹ = 82023503 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 82023505.

It is not an unprimeable number, because it can be changed into a prime (82023503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98409 + ... + 99238.

It is an arithmetic number, because the mean of its divisors is an integer number (12451824).

Almost surely, 2^82023505 is an apocalyptic number.

It is an amenable number.

82023505 is a deficient number, since it is larger than the sum of its proper divisors (17591087).

82023505 is a wasteful number, since it uses less digits than its factorization.

82023505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197735.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 82023505 is about 9056.6828916552. The cubic root of 82023505 is about 434.4896556019.

It can be divided in two parts, 82023 and 505, that added together give a palindrome (82528).

The spelling of 82023505 in words is "eighty-two million, twenty-three thousand, five hundred five".