3558481 has 2 divisors, whose sum is σ = 3558482. Its totient is φ = 3558480.

The previous prime is 3558479. The next prime is 3558517. The reversal of 3558481 is 1848553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3549456 + 9025 = 1884^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 3558481 - 2¹ = 3558479 is a prime.

It is a super-2 number, since 2×3558481² = 25325574054722, which contains 22 as substring.

Together with 3558479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3558421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1779240 + 1779241.

It is an arithmetic number, because the mean of its divisors is an integer number (1779241).

Almost surely, 2^3558481 is an apocalyptic number.

It is an amenable number.

3558481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3558481 is an equidigital number, since it uses as much as digits as its factorization.

3558481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 34.

The square root of 3558481 is about 1886.3936492684. The cubic root of 3558481 is about 152.6704141725.

It can be divided in two parts, 355 and 8481, that added together give a square (8836 = 94²).

The spelling of 3558481 in words is "three million, five hundred fifty-eight thousand, four hundred eighty-one".