82412269 has 2 divisors, whose sum is σ = 82412270. Its totient is φ = 82412268.

The previous prime is 82412237. The next prime is 82412293. The reversal of 82412269 is 96221428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82355625 + 56644 = 9075^2 + 238^2 .

It is a cyclic number.

It is not a de Polignac number, because 82412269 - 2⁵ = 82412237 is a prime.

It is a super-3 number, since 3×82412269³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82412299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41206134 + 41206135.

It is an arithmetic number, because the mean of its divisors is an integer number (41206135).

Almost surely, 2^82412269 is an apocalyptic number.

It is an amenable number.

82412269 is a deficient number, since it is larger than the sum of its proper divisors (1).

82412269 is an equidigital number, since it uses as much as digits as its factorization.

82412269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 82412269 is about 9078.1203450935. The cubic root of 82412269 is about 435.1750191928.

The spelling of 82412269 in words is "eighty-two million, four hundred twelve thousand, two hundred sixty-nine".