499549 has 2 divisors, whose sum is σ = 499550. Its totient is φ = 499548.

The previous prime is 499523. The next prime is 499559. The reversal of 499549 is 945994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372100 + 127449 = 610^2 + 357^2 .

It is a cyclic number.

It is not a de Polignac number, because 499549 - 2¹¹ = 497501 is a prime.

It is a zygodrome in base 5.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249774 + 249775.

It is an arithmetic number, because the mean of its divisors is an integer number (249775).

2⁴⁹⁹⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

499549 is a deficient number, since it is larger than the sum of its proper divisors (1).

499549 is an equidigital number, since it uses as much as digits as its factorization.

499549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 40.

The square root of 499549 is about 706.7878040827. The cubic root of 499549 is about 79.3461814906.

The spelling of 499549 in words is "four hundred ninety-nine thousand, five hundred forty-nine".