82056961 has 4 divisors (see below), whose sum is σ = 93779392. Its totient is φ = 70334532.

The previous prime is 82056937. The next prime is 82056983. The reversal of 82056961 is 16965028.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82056961 - 2⁵ = 82056929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82056961.

It is not an unprimeable number, because it can be changed into a prime (82056461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5861205 + ... + 5861218.

It is an arithmetic number, because the mean of its divisors is an integer number (23444848).

Almost surely, 2^82056961 is an apocalyptic number.

It is an amenable number.

82056961 is a deficient number, since it is larger than the sum of its proper divisors (11722431).

82056961 is a wasteful number, since it uses less digits than its factorization.

82056961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11722430.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 82056961 is about 9058.5297372145. The cubic root of 82056961 is about 434.5487212320.

The spelling of 82056961 in words is "eighty-two million, fifty-six thousand, nine hundred sixty-one".