564441631 has 8 divisors (see below), whose sum is σ = 613880064. Its totient is φ = 515863200.

The previous prime is 564441611. The next prime is 564441733. The reversal of 564441631 is 136144465.

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 564441631 - 2⁷ = 564441503 is a prime.

It is a super-2 number, since 2×564441631² = 637188709611880322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564441611) 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, 213631 + ... + 216256.

It is an arithmetic number, because the mean of its divisors is an integer number (76735008).

Almost surely, 2^564441631 is an apocalyptic number.

564441631 is a deficient number, since it is larger than the sum of its proper divisors (49438433).

564441631 is a wasteful number, since it uses less digits than its factorization.

564441631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430001.

The product of its digits is 34560, while the sum is 34.

The square root of 564441631 is about 23757.9803645007. The cubic root of 564441631 is about 826.4305176762.

The spelling of 564441631 in words is "five hundred sixty-four million, four hundred forty-one thousand, six hundred thirty-one".