82284557 has 2 divisors, whose sum is σ = 82284558. Its totient is φ = 82284556.

The previous prime is 82284551. The next prime is 82284563. The reversal of 82284557 is 75548228.

It is a balanced prime because it is at equal distance from previous prime (82284551) and next prime (82284563).

It can be written as a sum of positive squares in only one way, i.e., 62267881 + 20016676 = 7891^2 + 4474^2 .

It is a cyclic number.

It is not a de Polignac number, because 82284557 - 2¹² = 82280461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82284551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41142278 + 41142279.

It is an arithmetic number, because the mean of its divisors is an integer number (41142279).

Almost surely, 2^82284557 is an apocalyptic number.

It is an amenable number.

82284557 is a deficient number, since it is larger than the sum of its proper divisors (1).

82284557 is an equidigital number, since it uses as much as digits as its factorization.

82284557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 179200, while the sum is 41.

The square root of 82284557 is about 9071.0835626181. The cubic root of 82284557 is about 434.9501101017.

The spelling of 82284557 in words is "eighty-two million, two hundred eighty-four thousand, five hundred fifty-seven".