33241421 has 2 divisors, whose sum is σ = 33241422. Its totient is φ = 33241420.

The previous prime is 33241399. The next prime is 33241459. The reversal of 33241421 is 12414233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24157225 + 9084196 = 4915^2 + 3014^2 .

It is a cyclic number.

It is not a de Polignac number, because 33241421 - 2¹⁴ = 33225037 is a prime.

It is a super-2 number, since 2×33241421² = 2209984140198482, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 33241393 and 33241402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33241471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16620710 + 16620711.

It is an arithmetic number, because the mean of its divisors is an integer number (16620711).

Almost surely, 2^33241421 is an apocalyptic number.

It is an amenable number.

33241421 is a deficient number, since it is larger than the sum of its proper divisors (1).

33241421 is an equidigital number, since it uses as much as digits as its factorization.

33241421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 20.

The square root of 33241421 is about 5765.5373557024. The cubic root of 33241421 is about 321.5337212996.

Adding to 33241421 its reverse (12414233), we get a palindrome (45655654).

The spelling of 33241421 in words is "thirty-three million, two hundred forty-one thousand, four hundred twenty-one".