532521605 has 24 divisors (see below), whose sum is σ = 802749696. Its totient is φ = 331958880.

The previous prime is 532521601. The next prime is 532521631. The reversal of 532521605 is 506125235.

It is a happy number.

It is not a de Polignac number, because 532521605 - 2² = 532521601 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532521601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58637 + ... + 67106.

It is an arithmetic number, because the mean of its divisors is an integer number (33447904).

Almost surely, 2^532521605 is an apocalyptic number.

532521605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

532521605 is a deficient number, since it is larger than the sum of its proper divisors (270228091).

532521605 is a wasteful number, since it uses less digits than its factorization.

532521605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125777 (or 125766 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 532521605 is about 23076.4296415195. The cubic root of 532521605 is about 810.5486325309.

The spelling of 532521605 in words is "five hundred thirty-two million, five hundred twenty-one thousand, six hundred five".