82543941 has 36 divisors (see below), whose sum is σ = 129428832. Its totient is φ = 52540488.

The previous prime is 82543927. The next prime is 82543943. The reversal of 82543941 is 14934528.

It is not a de Polignac number, because 82543941 - 2¹⁰ = 82542917 is a prime.

It is a super-2 number, since 2×82543941² = 13627004391622962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82543896 and 82543905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82543943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 150630 + ... + 151176.

Almost surely, 2^82543941 is an apocalyptic number.

82543941 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

82543941 is a deficient number, since it is larger than the sum of its proper divisors (46884891).

82543941 is an frugal number, since it uses more digits than its factorization.

82543941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 573 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 82543941 is about 9085.3696127345. The cubic root of 82543941 is about 435.4066589562.

The spelling of 82543941 in words is "eighty-two million, five hundred forty-three thousand, nine hundred forty-one".