499725 has 18 divisors (see below), whose sum is σ = 895466. Its totient is φ = 266400.

The previous prime is 499717. The next prime is 499729. The reversal of 499725 is 527994.

499725 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 56169 + 443556 = 237^2 + 666^2 .

It is not a de Polignac number, because 499725 - 2³ = 499717 is a prime.

It is a Duffinian number.

499725 is strictly pandigital in base 7.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 499725.

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 499725.

It is not an unprimeable number, because it can be changed into a prime (499729) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 886 + ... + 1335.

2⁴⁹⁹⁷²⁵ is an apocalyptic number.

499725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

499725 is a deficient number, since it is larger than the sum of its proper divisors (395741).

499725 is a wasteful number, since it uses less digits than its factorization.

499725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237 (or 2229 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 499725 is about 706.9123000769. The cubic root of 499725 is about 79.3554987536.

The spelling of 499725 in words is "four hundred ninety-nine thousand, seven hundred twenty-five".