82184149 has 2 divisors, whose sum is σ = 82184150. Its totient is φ = 82184148.

The previous prime is 82184107. The next prime is 82184159. The reversal of 82184149 is 94148128.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78889924 + 3294225 = 8882^2 + 1815^2 .

It is a cyclic number.

It is not a de Polignac number, because 82184149 - 2⁷ = 82184021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82184159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41092074 + 41092075.

It is an arithmetic number, because the mean of its divisors is an integer number (41092075).

Almost surely, 2^82184149 is an apocalyptic number.

It is an amenable number.

82184149 is a deficient number, since it is larger than the sum of its proper divisors (1).

82184149 is an equidigital number, since it uses as much as digits as its factorization.

82184149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 37.

The square root of 82184149 is about 9065.5473635076. The cubic root of 82184149 is about 434.7731216601.

The spelling of 82184149 in words is "eighty-two million, one hundred eighty-four thousand, one hundred forty-nine".