82917841 has 2 divisors, whose sum is σ = 82917842. Its totient is φ = 82917840.

The previous prime is 82917787. The next prime is 82917883. The reversal of 82917841 is 14871928.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82737216 + 180625 = 9096^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 82917841 - 2⁷ = 82917713 is a prime.

It is a super-2 number, since 2×82917841² = 13750736712202562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82917794 and 82917803.

It is not a weakly prime, because it can be changed into another prime (82915841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41458920 + 41458921.

It is an arithmetic number, because the mean of its divisors is an integer number (41458921).

Almost surely, 2^82917841 is an apocalyptic number.

It is an amenable number.

82917841 is a deficient number, since it is larger than the sum of its proper divisors (1).

82917841 is an equidigital number, since it uses as much as digits as its factorization.

82917841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 40.

The square root of 82917841 is about 9105.9234018303. The cubic root of 82917841 is about 436.0630905672.

The spelling of 82917841 in words is "eighty-two million, nine hundred seventeen thousand, eight hundred forty-one".