499801 has 2 divisors, whose sum is σ = 499802. Its totient is φ = 499800.

The previous prime is 499787. The next prime is 499819. The reversal of 499801 is 108994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490000 + 9801 = 700^2 + 99^2 .

It is a cyclic number.

It is not a de Polignac number, because 499801 - 2⁷ = 499673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (499601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249900 + 249901.

It is an arithmetic number, because the mean of its divisors is an integer number (249901).

2⁴⁹⁹⁸⁰¹ is an apocalyptic number.

It is an amenable number.

499801 is a deficient number, since it is larger than the sum of its proper divisors (1).

499801 is an equidigital number, since it uses as much as digits as its factorization.

499801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 499801 is about 706.9660529332. The cubic root of 499801 is about 79.3595214408.

It can be divided in two parts, 49 and 9801, that multiplied together give a square (480249 = 693²).

The spelling of 499801 in words is "four hundred ninety-nine thousand, eight hundred one".