82541980 has 24 divisors (see below), whose sum is σ = 174876912. Its totient is φ = 32723712.

The previous prime is 82541971. The next prime is 82541981. The reversal of 82541980 is 8914528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82541981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16002 + ... + 20521.

It is an arithmetic number, because the mean of its divisors is an integer number (7286538).

Almost surely, 2^82541980 is an apocalyptic number.

It is an amenable number.

82541980 is an abundant number, since it is smaller than the sum of its proper divisors (92334932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82541980 is a wasteful number, since it uses less digits than its factorization.

82541980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36645 (or 36643 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 82541980 is about 9085.2616913328. The cubic root of 82541980 is about 435.4032109372.

It can be divided in two parts, 82541 and 980, that added together give a 4-th power (83521 = 17⁴).

The spelling of 82541980 in words is "eighty-two million, five hundred forty-one thousand, nine hundred eighty".