3555241 has 2 divisors, whose sum is σ = 3555242. Its totient is φ = 3555240.

The previous prime is 3555239. The next prime is 3555247. The reversal of 3555241 is 1425553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2496400 + 1058841 = 1580^2 + 1029^2 .

It is a cyclic number.

It is not a de Polignac number, because 3555241 - 2¹ = 3555239 is a prime.

Together with 3555239, it forms a pair of twin primes.

3555241 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3555247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777620 + 1777621.

It is an arithmetic number, because the mean of its divisors is an integer number (1777621).

Almost surely, 2^3555241 is an apocalyptic number.

It is an amenable number.

3555241 is a deficient number, since it is larger than the sum of its proper divisors (1).

3555241 is an equidigital number, since it uses as much as digits as its factorization.

3555241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000, while the sum is 25.

The square root of 3555241 is about 1885.5346721819. The cubic root of 3555241 is about 152.6240645882.

The spelling of 3555241 in words is "three million, five hundred fifty-five thousand, two hundred forty-one".