564504261 has 8 divisors (see below), whose sum is σ = 796947264. Its totient is φ = 354198720.

The previous prime is 564504211. The next prime is 564504293. The reversal of 564504261 is 162405465.

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

It is not a de Polignac number, because 564504261 - 2⁶ = 564504197 is a prime.

It is a super-2 number, since 2×564504261² = 637330121374312242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564504211) 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, 5534305 + ... + 5534406.

It is an arithmetic number, because the mean of its divisors is an integer number (99618408).

Almost surely, 2^564504261 is an apocalyptic number.

564504261 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

564504261 is a deficient number, since it is larger than the sum of its proper divisors (232443003).

564504261 is a wasteful number, since it uses less digits than its factorization.

564504261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068731.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 564504261 is about 23759.2984113589. The cubic root of 564504261 is about 826.4610832394.

The spelling of 564504261 in words is "five hundred sixty-four million, five hundred four thousand, two hundred sixty-one".