499051 has 4 divisors (see below), whose sum is σ = 570352. Its totient is φ = 427752.

The previous prime is 499039. The next prime is 499063. The reversal of 499051 is 150994.

499051 = 264² + 265² + ... + 270².

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (499039) and next prime (499063).

It is a cyclic number.

It is not a de Polignac number, because 499051 - 2⁷ = 498923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35640 + ... + 35653.

It is an arithmetic number, because the mean of its divisors is an integer number (142588).

2⁴⁹⁹⁰⁵¹ is an apocalyptic number.

499051 is a deficient number, since it is larger than the sum of its proper divisors (71301).

499051 is an equidigital number, since it uses as much as digits as its factorization.

499051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71300.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 499051 is about 706.4354181381. The cubic root of 499051 is about 79.3198060090.

It can be divided in two parts, 4990 and 51, that added together give a square (5041 = 71²).

The spelling of 499051 in words is "four hundred ninety-nine thousand, fifty-one".