532040221 has 4 divisors (see below), whose sum is σ = 535115772. Its totient is φ = 528964672.

The previous prime is 532040219. The next prime is 532040263. The reversal of 532040221 is 122040235.

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 243516025 + 288524196 = 15605^2 + 16986^2 .

It is a cyclic number.

It is not a de Polignac number, because 532040221 - 2¹ = 532040219 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 (532040281) 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 3 ways as a sum of consecutive naturals, for example, 1537516 + ... + 1537861.

It is an arithmetic number, because the mean of its divisors is an integer number (133778943).

Almost surely, 2^532040221 is an apocalyptic number.

It is an amenable number.

532040221 is a deficient number, since it is larger than the sum of its proper divisors (3075551).

532040221 is a wasteful number, since it uses less digits than its factorization.

532040221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075550.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 532040221 is about 23065.9970736147. The cubic root of 532040221 is about 810.3043214580.

Adding to 532040221 its reverse (122040235), we get a palindrome (654080456).

The spelling of 532040221 in words is "five hundred thirty-two million, forty thousand, two hundred twenty-one".