500749 has 4 divisors (see below), whose sum is σ = 509020. Its totient is φ = 492480.

The previous prime is 500741. The next prime is 500777. The reversal of 500749 is 947005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 947005 = 5 ⋅189401.

It can be written as a sum of positive squares in 2 ways, for example, as 24649 + 476100 = 157^2 + 690^2 .

It is a cyclic number.

It is not a de Polignac number, because 500749 - 2³ = 500741 is a prime.

It is a super-2 number, since 2×500749² = 501499122002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4044 + ... + 4165.

It is an arithmetic number, because the mean of its divisors is an integer number (127255).

2⁵⁰⁰⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

500749 is a deficient number, since it is larger than the sum of its proper divisors (8271).

500749 is an equidigital number, since it uses as much as digits as its factorization.

500749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 500749 is about 707.6362059703. The cubic root of 500749 is about 79.4096649382.

The spelling of 500749 in words is "five hundred thousand, seven hundred forty-nine".