506564250 has 32 divisors (see below), whose sum is σ = 1264386240. Its totient is φ = 135083600.

The previous prime is 506564243. The next prime is 506564297. The reversal of 506564250 is 52465605.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336960 + ... + 338459.

It is an arithmetic number, because the mean of its divisors is an integer number (39512070).

Almost surely, 2^506564250 is an apocalyptic number.

506564250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

506564250 is an abundant number, since it is smaller than the sum of its proper divisors (757821990).

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

506564250 is a wasteful number, since it uses less digits than its factorization.

506564250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675439 (or 675429 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 506564250 is about 22506.9822499597. The cubic root of 506564250 is about 797.1588016437.

The spelling of 506564250 in words is "five hundred six million, five hundred sixty-four thousand, two hundred fifty".