564231 has 8 divisors (see below), whose sum is σ = 776704. Its totient is φ = 363960.

The previous prime is 564229. The next prime is 564233. The reversal of 564231 is 132465.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (564229) and next prime (564233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 564231 - 2¹ = 564229 is a prime.

It is a super-2 number, since 2×564231² = 636713242722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564198 and 564207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564233) 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, 2941 + ... + 3126.

It is an arithmetic number, because the mean of its divisors is an integer number (97088).

2⁵⁶⁴²³¹ is an apocalyptic number.

564231 is a deficient number, since it is larger than the sum of its proper divisors (212473).

564231 is a wasteful number, since it uses less digits than its factorization.

564231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101.

The product of its digits is 720, while the sum is 21.

The square root of 564231 is about 751.1531135528. The cubic root of 564231 is about 82.6327706016.

Adding to 564231 its reverse (132465), we get a palindrome (696696).

The spelling of 564231 in words is "five hundred sixty-four thousand, two hundred thirty-one".