564738250 has 16 divisors (see below), whose sum is σ = 1057190472. Its totient is φ = 225895200.

The previous prime is 564738227. The next prime is 564738271. The reversal of 564738250 is 52837465.

It can be written as a sum of positive squares in 4 ways, for example, as 66243321 + 498494929 = 8139^2 + 22327^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129227 + ... + 1129726.

Almost surely, 2^564738250 is an apocalyptic number.

564738250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

564738250 is a deficient number, since it is larger than the sum of its proper divisors (492452222).

564738250 is a wasteful number, since it uses less digits than its factorization.

564738250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258970 (or 2258960 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 564738250 is about 23764.2220575385. Note that the first 3 decimals coincide. The cubic root of 564738250 is about 826.5752578067.

The spelling of 564738250 in words is "five hundred sixty-four million, seven hundred thirty-eight thousand, two hundred fifty".