564134231 has 4 divisors (see below), whose sum is σ = 564399864. Its totient is φ = 563868600.

The previous prime is 564134213. The next prime is 564134251. The reversal of 564134231 is 132431465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132431465 = 5 ⋅26486293.

It is a cyclic number.

It is not a de Polignac number, because 564134231 - 2²² = 559939927 is a prime.

It is a super-2 number, since 2×564134231² = 636494861171922722, 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 = 564134194 and 564134203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564134201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129605 + ... + 133886.

It is an arithmetic number, because the mean of its divisors is an integer number (141099966).

Almost surely, 2^564134231 is an apocalyptic number.

564134231 is a deficient number, since it is larger than the sum of its proper divisors (265633).

564134231 is a wasteful number, since it uses less digits than its factorization.

564134231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265632.

The product of its digits is 8640, while the sum is 29.

The square root of 564134231 is about 23751.5100783087. The cubic root of 564134231 is about 826.2804632628.

Adding to 564134231 its reverse (132431465), we get a palindrome (696565696).

The spelling of 564134231 in words is "five hundred sixty-four million, one hundred thirty-four thousand, two hundred thirty-one".