499541 has 4 divisors (see below), whose sum is σ = 570912. Its totient is φ = 428172.

The previous prime is 499523. The next prime is 499549. The reversal of 499541 is 145994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145994 = 2 ⋅72997.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499541 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 499498 and 499507.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499541.

It is not an unprimeable number, because it can be changed into a prime (499549) 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, 35675 + ... + 35688.

It is an arithmetic number, because the mean of its divisors is an integer number (142728).

2⁴⁹⁹⁵⁴¹ is an apocalyptic number.

It is an amenable number.

499541 is a deficient number, since it is larger than the sum of its proper divisors (71371).

499541 is an equidigital number, since it uses as much as digits as its factorization.

499541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71370.

The product of its digits is 6480, while the sum is 32.

The square root of 499541 is about 706.7821446528. The cubic root of 499541 is about 79.3457579266.

The spelling of 499541 in words is "four hundred ninety-nine thousand, five hundred forty-one".