82960081 has 2 divisors, whose sum is σ = 82960082. Its totient is φ = 82960080.

The previous prime is 82960079. The next prime is 82960091. The reversal of 82960081 is 18006928.

82960081 = 6440² + 6441².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41486481 + 41473600 = 6441^2 + 6440^2 .

It is a cyclic number.

It is not a de Polignac number, because 82960081 - 2¹ = 82960079 is a prime.

It is a super-2 number, since 2×82960081² = 13764750079053122, which contains 22 as substring.

Together with 82960079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (82960091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41480040 + 41480041.

It is an arithmetic number, because the mean of its divisors is an integer number (41480041).

Almost surely, 2^82960081 is an apocalyptic number.

82960081 is the 6441-st centered square number.

It is an amenable number.

82960081 is a deficient number, since it is larger than the sum of its proper divisors (1).

82960081 is an equidigital number, since it uses as much as digits as its factorization.

82960081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 82960081 is about 9108.2424759116. The cubic root of 82960081 is about 436.1371244055.

The spelling of 82960081 in words is "eighty-two million, nine hundred sixty thousand, eighty-one".