82648369 has 2 divisors, whose sum is σ = 82648370. Its totient is φ = 82648368.

The previous prime is 82648327. The next prime is 82648381. The reversal of 82648369 is 96384628.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69105969 + 13542400 = 8313^2 + 3680^2 .

It is a cyclic number.

It is not a de Polignac number, because 82648369 - 2¹¹ = 82646321 is a prime.

It is a super-2 number, since 2×82648369² = 13661505796720322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82648399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41324184 + 41324185.

It is an arithmetic number, because the mean of its divisors is an integer number (41324185).

Almost surely, 2^82648369 is an apocalyptic number.

It is an amenable number.

82648369 is a deficient number, since it is larger than the sum of its proper divisors (1).

82648369 is an equidigital number, since it uses as much as digits as its factorization.

82648369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 46.

The square root of 82648369 is about 9091.1148381263. The cubic root of 82648369 is about 435.5901954866.

The spelling of 82648369 in words is "eighty-two million, six hundred forty-eight thousand, three hundred sixty-nine".