82436369 has 2 divisors, whose sum is σ = 82436370. Its totient is φ = 82436368.

The previous prime is 82436353. The next prime is 82436381. The reversal of 82436369 is 96363428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82174225 + 262144 = 9065^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 82436369 - 2⁴ = 82436353 is a prime.

It is a super-2 number, since 2×82436369² = 13591509867808322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (82436069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41218184 + 41218185.

It is an arithmetic number, because the mean of its divisors is an integer number (41218185).

Almost surely, 2^82436369 is an apocalyptic number.

It is an amenable number.

82436369 is a deficient number, since it is larger than the sum of its proper divisors (1).

82436369 is an equidigital number, since it uses as much as digits as its factorization.

82436369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The square root of 82436369 is about 9079.4476153563. The cubic root of 82436369 is about 435.2174347859.

The spelling of 82436369 in words is "eighty-two million, four hundred thirty-six thousand, three hundred sixty-nine".