82961205 has 16 divisors (see below), whose sum is σ = 133097280. Its totient is φ = 44126208.

The previous prime is 82961189. The next prime is 82961213. The reversal of 82961205 is 50216928.

It is not a de Polignac number, because 82961205 - 2⁴ = 82961189 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1612 + ... + 12981.

It is an arithmetic number, because the mean of its divisors is an integer number (8318580).

Almost surely, 2^82961205 is an apocalyptic number.

It is an amenable number.

82961205 is a deficient number, since it is larger than the sum of its proper divisors (50136075).

82961205 is a wasteful number, since it uses less digits than its factorization.

82961205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14980.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 82961205 is about 9108.3041780564. The cubic root of 82961205 is about 436.1390940914.

The spelling of 82961205 in words is "eighty-two million, nine hundred sixty-one thousand, two hundred five".