532145565 has 32 divisors (see below), whose sum is σ = 1081186560. Its totient is φ = 243266112.

The previous prime is 532145533. The next prime is 532145573. The reversal of 532145565 is 565541235.

532145565 is a `hidden beast` number, since 53 + 2 + 1 + 45 + 565 = 666.

It is not a de Polignac number, because 532145565 - 2⁵ = 532145533 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280614 + ... + 282503.

It is an arithmetic number, because the mean of its divisors is an integer number (33787080).

Almost surely, 2^532145565 is an apocalyptic number.

It is an amenable number.

532145565 is an abundant number, since it is smaller than the sum of its proper divisors (549040995).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

532145565 is a wasteful number, since it uses less digits than its factorization.

532145565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563138 (or 563132 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 532145565 is about 23068.2804950868. The cubic root of 532145565 is about 810.3577980323.

The spelling of 532145565 in words is "five hundred thirty-two million, one hundred forty-five thousand, five hundred sixty-five".