82965569 has 2 divisors, whose sum is σ = 82965570. Its totient is φ = 82965568.

The previous prime is 82965539. The next prime is 82965583. The reversal of 82965569 is 96556928.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71487025 + 11478544 = 8455^2 + 3388^2 .

It is a cyclic number.

It is not a de Polignac number, because 82965569 - 2¹⁶ = 82900033 is a prime.

It is a super-2 number, since 2×82965569² = 13766571278987522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82965539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41482784 + 41482785.

It is an arithmetic number, because the mean of its divisors is an integer number (41482785).

Almost surely, 2^82965569 is an apocalyptic number.

It is an amenable number.

82965569 is a deficient number, since it is larger than the sum of its proper divisors (1).

82965569 is an equidigital number, since it uses as much as digits as its factorization.

82965569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The square root of 82965569 is about 9108.5437365146. The cubic root of 82965569 is about 436.1467413511.

The spelling of 82965569 in words is "eighty-two million, nine hundred sixty-five thousand, five hundred sixty-nine".