532645885 has 4 divisors (see below), whose sum is σ = 639175068. Its totient is φ = 426116704.

The previous prime is 532645879. The next prime is 532645889. The reversal of 532645885 is 588546235.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 348419556 + 184226329 = 18666^2 + 13573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-532645885 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532645889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53264584 + ... + 53264593.

It is an arithmetic number, because the mean of its divisors is an integer number (159793767).

Almost surely, 2^532645885 is an apocalyptic number.

It is an amenable number.

532645885 is a deficient number, since it is larger than the sum of its proper divisors (106529183).

532645885 is a wasteful number, since it uses less digits than its factorization.

532645885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106529182.

The product of its digits is 1152000, while the sum is 46.

The square root of 532645885 is about 23079.1222753379. The cubic root of 532645885 is about 810.6116829609.

The spelling of 532645885 in words is "five hundred thirty-two million, six hundred forty-five thousand, eight hundred eighty-five".