500861045 has 8 divisors (see below), whose sum is σ = 617277624. Its totient is φ = 389859264.

The previous prime is 500861029. The next prime is 500861047. The reversal of 500861045 is 540168005.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30448324 + 470412721 = 5518^2 + 21689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 500861045 - 2⁴ = 500861029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500860999 and 500861017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500861047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353494 + ... + 1353863.

It is an arithmetic number, because the mean of its divisors is an integer number (77159703).

Almost surely, 2^500861045 is an apocalyptic number.

It is an amenable number.

500861045 is a deficient number, since it is larger than the sum of its proper divisors (116416579).

500861045 is a wasteful number, since it uses less digits than its factorization.

500861045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707399.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 500861045 is about 22379.9250445572. The cubic root of 500861045 is about 794.1558726143.

The spelling of 500861045 in words is "five hundred million, eight hundred sixty-one thousand, forty-five".