82466491 has 2 divisors, whose sum is σ = 82466492. Its totient is φ = 82466490.

The previous prime is 82466471. The next prime is 82466497. The reversal of 82466491 is 19466428.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82466491 - 2⁹ = 82465979 is a prime.

It is not a weakly prime, because it can be changed into another prime (82466497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41233245 + 41233246.

It is an arithmetic number, because the mean of its divisors is an integer number (41233246).

Almost surely, 2^82466491 is an apocalyptic number.

82466491 is a deficient number, since it is larger than the sum of its proper divisors (1).

82466491 is an equidigital number, since it uses as much as digits as its factorization.

82466491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 82466491 is about 9081.1062652080. The cubic root of 82466491 is about 435.2704373757.

The spelling of 82466491 in words is "eighty-two million, four hundred sixty-six thousand, four hundred ninety-one".