82105254 has 48 divisors (see below), whose sum is σ = 221794560. Its totient is φ = 21325680.

The previous prime is 82105249. The next prime is 82105279. The reversal of 82105254 is 45250128.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28234 + ... + 31005.

It is an arithmetic number, because the mean of its divisors is an integer number (4620720).

Almost surely, 2^82105254 is an apocalyptic number.

82105254 is an abundant number, since it is smaller than the sum of its proper divisors (139689306).

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

82105254 is a wasteful number, since it uses less digits than its factorization.

82105254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59265 (or 59262 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 82105254 is about 9061.1949543093. The cubic root of 82105254 is about 434.6339528629.

The spelling of 82105254 in words is "eighty-two million, one hundred five thousand, two hundred fifty-four".