564473261 has 8 divisors (see below), whose sum is σ = 648199200. Its totient is φ = 486149040.

The previous prime is 564473227. The next prime is 564473279. The reversal of 564473261 is 162374465.

It is a happy number.

564473261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 564473261 - 2¹⁸ = 564211117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564472261) 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, 1350206 + ... + 1350623.

It is an arithmetic number, because the mean of its divisors is an integer number (81024900).

Almost surely, 2^564473261 is an apocalyptic number.

It is an amenable number.

564473261 is a deficient number, since it is larger than the sum of its proper divisors (83725939).

564473261 is a wasteful number, since it uses less digits than its factorization.

564473261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700859.

The product of its digits is 120960, while the sum is 38.

The square root of 564473261 is about 23758.6460262364. The cubic root of 564473261 is about 826.4459544711.

The spelling of 564473261 in words is "five hundred sixty-four million, four hundred seventy-three thousand, two hundred sixty-one".