564671250 has 360 divisors, whose sum is σ = 1872862992. Its totient is φ = 126360000.

The previous prime is 564671189. The next prime is 564671251. The reversal of 564671250 is 52176465.

It is a happy number.

564671250 is a `hidden beast` number, since 5 + 646 + 7 + 1 + 2 + 5 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (564671251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 43436244 + ... + 43436256.

Almost surely, 2^564671250 is an apocalyptic number.

564671250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 564671250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936431496).

564671250 is an abundant number, since it is smaller than the sum of its proper divisors (1308191742).

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

564671250 is a wasteful number, since it uses less digits than its factorization.

564671250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 564671250 is about 23762.8123335602. The cubic root of 564671250 is about 826.5425684841.

The spelling of 564671250 in words is "five hundred sixty-four million, six hundred seventy-one thousand, two hundred fifty".