500005290 has 64 divisors (see below), whose sum is σ = 1232681472. Its totient is φ = 129729600.

The previous prime is 500005283. The next prime is 500005321. The reversal of 500005290 is 92500005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426405 + ... + 427575.

It is an arithmetic number, because the mean of its divisors is an integer number (19260648).

Almost surely, 2^500005290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500005290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616340736).

500005290 is an abundant number, since it is smaller than the sum of its proper divisors (732676182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500005290 is a wasteful number, since it uses less digits than its factorization.

500005290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 500005290 is about 22360.7980626810. The cubic root of 500005290 is about 793.7033250914.

Adding to 500005290 its reverse (92500005), we get a palindrome (592505295).

The spelling of 500005290 in words is "five hundred million, five thousand, two hundred ninety".