4539481 has 2 divisors, whose sum is σ = 4539482. Its totient is φ = 4539480.

The previous prime is 4539433. The next prime is 4539511. The reversal of 4539481 is 1849354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3549456 + 990025 = 1884^2 + 995^2 .

It is a cyclic number.

It is not a de Polignac number, because 4539481 - 2⁹ = 4538969 is a prime.

It is a super-2 number, since 2×4539481² = 41213775498722, which contains 22 as substring.

4539481 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4539581) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269740 + 2269741.

It is an arithmetic number, because the mean of its divisors is an integer number (2269741).

Almost surely, 2^4539481 is an apocalyptic number.

It is an amenable number.

4539481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4539481 is an equidigital number, since it uses as much as digits as its factorization.

4539481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 4539481 is about 2130.6057824009. The cubic root of 4539481 is about 165.5777846190.

The spelling of 4539481 in words is "four million, five hundred thirty-nine thousand, four hundred eighty-one".