4534421 has 2 divisors, whose sum is σ = 4534422. Its totient is φ = 4534420.

The previous prime is 4534417. The next prime is 4534423. The reversal of 4534421 is 1244354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3845521 + 688900 = 1961^2 + 830^2 .

It is a cyclic number.

It is not a de Polignac number, because 4534421 - 2² = 4534417 is a prime.

Together with 4534423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4534423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2267210 + 2267211.

It is an arithmetic number, because the mean of its divisors is an integer number (2267211).

Almost surely, 2^4534421 is an apocalyptic number.

It is an amenable number.

4534421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4534421 is an equidigital number, since it uses as much as digits as its factorization.

4534421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 23.

The square root of 4534421 is about 2129.4179956035. The cubic root of 4534421 is about 165.5162404997.

Adding to 4534421 its reverse (1244354), we get a palindrome (5778775).

The spelling of 4534421 in words is "four million, five hundred thirty-four thousand, four hundred twenty-one".