82568371253 has 2 divisors, whose sum is σ = 82568371254. Its totient is φ = 82568371252.

The previous prime is 82568371229. The next prime is 82568371321. The reversal of 82568371253 is 35217386528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82533820369 + 34550884 = 287287^2 + 5878^2 .

It is a cyclic number.

It is not a de Polignac number, because 82568371253 - 2¹² = 82568367157 is a prime.

It is a super-3 number, since 3×82568371253³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82568371553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41284185626 + 41284185627.

It is an arithmetic number, because the mean of its divisors is an integer number (41284185627).

Almost surely, 2^82568371253 is an apocalyptic number.

It is an amenable number.

82568371253 is a deficient number, since it is larger than the sum of its proper divisors (1).

82568371253 is an equidigital number, since it uses as much as digits as its factorization.

82568371253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 50.

The spelling of 82568371253 in words is "eighty-two billion, five hundred sixty-eight million, three hundred seventy-one thousand, two hundred fifty-three".