82252061 has 2 divisors, whose sum is σ = 82252062. Its totient is φ = 82252060.

The previous prime is 82252057. The next prime is 82252063. The reversal of 82252061 is 16025228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54479161 + 27772900 = 7381^2 + 5270^2 .

It is a cyclic number.

It is not a de Polignac number, because 82252061 - 2² = 82252057 is a prime.

Together with 82252063, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82252061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82252063) 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, 41126030 + 41126031.

It is an arithmetic number, because the mean of its divisors is an integer number (41126031).

Almost surely, 2^82252061 is an apocalyptic number.

It is an amenable number.

82252061 is a deficient number, since it is larger than the sum of its proper divisors (1).

82252061 is an equidigital number, since it uses as much as digits as its factorization.

82252061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 82252061 is about 9069.2921995049. The cubic root of 82252061 is about 434.8928454082.

Adding to 82252061 its reverse (16025228), we get a palindrome (98277289).

The spelling of 82252061 in words is "eighty-two million, two hundred fifty-two thousand, sixty-one".