3581087 has 2 divisors, whose sum is σ = 3581088. Its totient is φ = 3581086.

The previous prime is 3581047. The next prime is 3581099. The reversal of 3581087 is 7801853.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3581087 - 2⁸ = 3580831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3581047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1790543 + 1790544.

It is an arithmetic number, because the mean of its divisors is an integer number (1790544).

Almost surely, 2^3581087 is an apocalyptic number.

3581087 is a deficient number, since it is larger than the sum of its proper divisors (1).

3581087 is an equidigital number, since it uses as much as digits as its factorization.

3581087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 3581087 is about 1892.3760197170. The cubic root of 3581087 is about 152.9930223084.

The spelling of 3581087 in words is "three million, five hundred eighty-one thousand, eighty-seven".