500982491 has 2 divisors, whose sum is σ = 500982492. Its totient is φ = 500982490.

The previous prime is 500982487. The next prime is 500982497. The reversal of 500982491 is 194289005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 500982491 - 2² = 500982487 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (500982497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250491245 + 250491246.

It is an arithmetic number, because the mean of its divisors is an integer number (250491246).

Almost surely, 2^500982491 is an apocalyptic number.

500982491 is a deficient number, since it is larger than the sum of its proper divisors (1).

500982491 is an equidigital number, since it uses as much as digits as its factorization.

500982491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 500982491 is about 22382.6381599668. The cubic root of 500982491 is about 794.2200549265.

The spelling of 500982491 in words is "five hundred million, nine hundred eighty-two thousand, four hundred ninety-one".