4521331 has 2 divisors, whose sum is σ = 4521332. Its totient is φ = 4521330.

The previous prime is 4521313. The next prime is 4521343. The reversal of 4521331 is 1331254.

Together with previous prime (4521313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4521331 - 2⁵ = 4521299 is a prime.

It is a super-2 number, since 2×4521331² = 40884868023122, 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 = 4521299 and 4521308.

It is not a weakly prime, because it can be changed into another prime (4521301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260665 + 2260666.

It is an arithmetic number, because the mean of its divisors is an integer number (2260666).

Almost surely, 2^4521331 is an apocalyptic number.

4521331 is a deficient number, since it is larger than the sum of its proper divisors (1).

4521331 is an equidigital number, since it uses as much as digits as its factorization.

4521331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 19.

The square root of 4521331 is about 2126.3421643752. The cubic root of 4521331 is about 165.3568158236.

Adding to 4521331 its reverse (1331254), we get a palindrome (5852585).

The spelling of 4521331 in words is "four million, five hundred twenty-one thousand, three hundred thirty-one".