82365149 has 2 divisors, whose sum is σ = 82365150. Its totient is φ = 82365148.

The previous prime is 82365089. The next prime is 82365229. The reversal of 82365149 is 94156328.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80820100 + 1545049 = 8990^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 82365149 - 2¹² = 82361053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82365449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41182574 + 41182575.

It is an arithmetic number, because the mean of its divisors is an integer number (41182575).

Almost surely, 2^82365149 is an apocalyptic number.

It is an amenable number.

82365149 is a deficient number, since it is larger than the sum of its proper divisors (1).

82365149 is an equidigital number, since it uses as much as digits as its factorization.

82365149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 82365149 is about 9075.5247231221. The cubic root of 82365149 is about 435.0920648930.

The spelling of 82365149 in words is "eighty-two million, three hundred sixty-five thousand, one hundred forty-nine".