532610021 has 4 divisors (see below), whose sum is σ = 539352000. Its totient is φ = 525868044.

The previous prime is 532610009. The next prime is 532610059. The reversal of 532610021 is 120016235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120016235 = 5 ⋅24003247.

It is a cyclic number.

It is not a de Polignac number, because 532610021 - 2²² = 528415717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 532609975 and 532610002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532610081) 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, 3370871 + ... + 3371028.

It is an arithmetic number, because the mean of its divisors is an integer number (134838000).

Almost surely, 2^532610021 is an apocalyptic number.

It is an amenable number.

532610021 is a deficient number, since it is larger than the sum of its proper divisors (6741979).

532610021 is an equidigital number, since it uses as much as digits as its factorization.

532610021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6741978.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 532610021 is about 23078.3452829704. The cubic root of 532610021 is about 810.5934892411.

Adding to 532610021 its reverse (120016235), we get a palindrome (652626256).

The spelling of 532610021 in words is "five hundred thirty-two million, six hundred ten thousand, twenty-one".