82261193 has 16 divisors (see below), whose sum is σ = 97658880. Its totient is φ = 67825296.

The previous prime is 82261121. The next prime is 82261213. The reversal of 82261193 is 39116228.

It is not a de Polignac number, because 82261193 - 2¹⁴ = 82244809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82269193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18128 + ... + 22206.

It is an arithmetic number, because the mean of its divisors is an integer number (6103680).

Almost surely, 2^82261193 is an apocalyptic number.

It is an amenable number.

82261193 is a deficient number, since it is larger than the sum of its proper divisors (15397687).

82261193 is a wasteful number, since it uses less digits than its factorization.

82261193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196.

The product of its digits is 5184, while the sum is 32.

The square root of 82261193 is about 9069.7956426813. The cubic root of 82261193 is about 434.9089394101.

The spelling of 82261193 in words is "eighty-two million, two hundred sixty-one thousand, one hundred ninety-three".