532276821 has 6 divisors (see below), whose sum is σ = 768844310. Its totient is φ = 354851208.

The previous prime is 532276807. The next prime is 532276841. The reversal of 532276821 is 128672235.

It can be written as a sum of positive squares in only one way, i.e., 526702500 + 5574321 = 22950^2 + 2361^2 .

It is not a de Polignac number, because 532276821 - 2¹¹ = 532274773 is a prime.

It is a super-2 number, since 2×532276821² = 566637228347732082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532276841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29570926 + ... + 29570943.

Almost surely, 2^532276821 is an apocalyptic number.

It is an amenable number.

532276821 is a deficient number, since it is larger than the sum of its proper divisors (236567489).

532276821 is a wasteful number, since it uses less digits than its factorization.

532276821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59141875 (or 59141872 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 532276821 is about 23071.1252651447. The cubic root of 532276821 is about 810.4244186378.

The spelling of 532276821 in words is "five hundred thirty-two million, two hundred seventy-six thousand, eight hundred twenty-one".