82553205 has 32 divisors (see below), whose sum is σ = 151467264. Its totient is φ = 37610496.

The previous prime is 82553203. The next prime is 82553209. The reversal of 82553205 is 50235528.

It is not a de Polignac number, because 82553205 - 2¹ = 82553203 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82553203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34219 + ... + 36551.

It is an arithmetic number, because the mean of its divisors is an integer number (4733352).

Almost surely, 2^82553205 is an apocalyptic number.

It is an amenable number.

82553205 is a deficient number, since it is larger than the sum of its proper divisors (68914059).

82553205 is a wasteful number, since it uses less digits than its factorization.

82553205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 82553205 is about 9085.8794290922. The cubic root of 82553205 is about 435.4229470743.

The spelling of 82553205 in words is "eighty-two million, five hundred fifty-three thousand, two hundred five".