82442533 has 2 divisors, whose sum is σ = 82442534. Its totient is φ = 82442532.

The previous prime is 82442509. The next prime is 82442551. The reversal of 82442533 is 33524428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70930084 + 11512449 = 8422^2 + 3393^2 .

It is a cyclic number.

It is not a de Polignac number, because 82442533 - 2²¹ = 80345381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82442495 and 82442504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82442593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41221266 + 41221267.

It is an arithmetic number, because the mean of its divisors is an integer number (41221267).

Almost surely, 2^82442533 is an apocalyptic number.

It is an amenable number.

82442533 is a deficient number, since it is larger than the sum of its proper divisors (1).

82442533 is an equidigital number, since it uses as much as digits as its factorization.

82442533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 31.

The square root of 82442533 is about 9079.7870569744. The cubic root of 82442533 is about 435.2282819942.

The spelling of 82442533 in words is "eighty-two million, four hundred forty-two thousand, five hundred thirty-three".