82520350057231 has 2 divisors, whose sum is σ = 82520350057232. Its totient is φ = 82520350057230.

The previous prime is 82520350057213. The next prime is 82520350057261. The reversal of 82520350057231 is 13275005302528.

It is a happy number.

Together with previous prime (82520350057213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82520350057231 - 2⁵ = 82520350057199 is a prime.

It is a super-2 number, since 2×82520350057231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82520350057261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41260175028615 + 41260175028616.

It is an arithmetic number, because the mean of its divisors is an integer number (41260175028616).

Almost surely, 2^{82520350057231} is an apocalyptic number.

82520350057231 is a deficient number, since it is larger than the sum of its proper divisors (1).

82520350057231 is an equidigital number, since it uses as much as digits as its factorization.

82520350057231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 43.

Adding to 82520350057231 its reverse (13275005302528), we get a palindrome (95795355359759).

The spelling of 82520350057231 in words is "eighty-two trillion, five hundred twenty billion, three hundred fifty million, fifty-seven thousand, two hundred thirty-one".