3252421 has 2 divisors, whose sum is σ = 3252422. Its totient is φ = 3252420.

The previous prime is 3252419. The next prime is 3252443. The reversal of 3252421 is 1242523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2927521 + 324900 = 1711^2 + 570^2 .

It is a cyclic number.

It is not a de Polignac number, because 3252421 - 2¹ = 3252419 is a prime.

It is a super-2 number, since 2×3252421² = 21156484722482, which contains 22 as substring.

Together with 3252419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3252481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1626210 + 1626211.

It is an arithmetic number, because the mean of its divisors is an integer number (1626211).

Almost surely, 2^3252421 is an apocalyptic number.

It is an amenable number.

3252421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3252421 is an equidigital number, since it uses as much as digits as its factorization.

3252421 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3252421 is about 1803.4469773187. The cubic root of 3252421 is about 148.1615748194.

Adding to 3252421 its reverse (1242523), we get a palindrome (4494944).

The spelling of 3252421 in words is "three million, two hundred fifty-two thousand, four hundred twenty-one".