3549131 has 2 divisors, whose sum is σ = 3549132. Its totient is φ = 3549130.

The previous prime is 3549113. The next prime is 3549137. The reversal of 3549131 is 1319453.

Together with previous prime (3549113) 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 3549131 - 2¹⁰ = 3548107 is a prime.

It is a super-2 number, since 2×3549131² = 25192661710322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3549131.

It is not a weakly prime, because it can be changed into another prime (3549137) 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, 1774565 + 1774566.

It is an arithmetic number, because the mean of its divisors is an integer number (1774566).

Almost surely, 2^3549131 is an apocalyptic number.

3549131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3549131 is an equidigital number, since it uses as much as digits as its factorization.

3549131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 26.

The square root of 3549131 is about 1883.9137453716. The cubic root of 3549131 is about 152.5365817463.

It can be divided in two parts, 35 and 49131, that multiplied together give a triangular number (1719585 = T₁₈₅₄).

The spelling of 3549131 in words is "three million, five hundred forty-nine thousand, one hundred thirty-one".