82105061 has 8 divisors (see below), whose sum is σ = 89407200. Its totient is φ = 75101040.

The previous prime is 82105043. The next prime is 82105091. The reversal of 82105061 is 16050128.

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 82105061 - 2²² = 77910757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82105031) 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, 73955 + ... + 75056.

It is an arithmetic number, because the mean of its divisors is an integer number (11175900).

Almost surely, 2^82105061 is an apocalyptic number.

It is an amenable number.

82105061 is a deficient number, since it is larger than the sum of its proper divisors (7302139).

82105061 is a wasteful number, since it uses less digits than its factorization.

82105061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149059.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 82105061 is about 9061.1843044935. The cubic root of 82105061 is about 434.6336123064.

Adding to 82105061 its reverse (16050128), we get a palindrome (98155189).

The spelling of 82105061 in words is "eighty-two million, one hundred five thousand, sixty-one".