532421 has 2 divisors, whose sum is σ = 532422. Its totient is φ = 532420.

The previous prime is 532417. The next prime is 532439. The reversal of 532421 is 124235.

532421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 448900 + 83521 = 670^2 + 289^2 .

It is a cyclic number.

It is not a de Polignac number, because 532421 - 2² = 532417 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 532421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266210 + 266211.

It is an arithmetic number, because the mean of its divisors is an integer number (266211).

2⁵³²⁴²¹ is an apocalyptic number.

It is an amenable number.

532421 is a deficient number, since it is larger than the sum of its proper divisors (1).

532421 is an equidigital number, since it uses as much as digits as its factorization.

532421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 17.

The square root of 532421 is about 729.6718440505. The cubic root of 532421 is about 81.0497585850.

Adding to 532421 its reverse (124235), we get a palindrome (656656).

The spelling of 532421 in words is "five hundred thirty-two thousand, four hundred twenty-one".