565531253 has 16 divisors (see below), whose sum is σ = 660303360. Its totient is φ = 474304896.

The previous prime is 565531193. The next prime is 565531261. The reversal of 565531253 is 352135565.

565531253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 565531253 - 2¹⁸ = 565269109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565531283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149876 + ... + 153602.

It is an arithmetic number, because the mean of its divisors is an integer number (41268960).

Almost surely, 2^565531253 is an apocalyptic number.

565531253 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

565531253 is a deficient number, since it is larger than the sum of its proper divisors (94772107).

565531253 is a wasteful number, since it uses less digits than its factorization.

565531253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196.

The product of its digits is 67500, while the sum is 35.

The square root of 565531253 is about 23780.9010132081. The cubic root of 565531253 is about 826.9619679876.

The spelling of 565531253 in words is "five hundred sixty-five million, five hundred thirty-one thousand, two hundred fifty-three".