3549457 has 2 divisors, whose sum is σ = 3549458. Its totient is φ = 3549456.

The previous prime is 3549437. The next prime is 3549461. The reversal of 3549457 is 7549453.

It is a Cunningham number, because it is equal to 1884²+1.

3549457 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3549456 + 1 = 1884^2 + 1^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3549457 is a prime.

It is not a weakly prime, because it can be changed into another prime (3549437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1774728 + 1774729.

It is an arithmetic number, because the mean of its divisors is an integer number (1774729).

Almost surely, 2^3549457 is an apocalyptic number.

It is an amenable number.

3549457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3549457 is an equidigital number, since it uses as much as digits as its factorization.

3549457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The square root of 3549457 is about 1884.0002653928. Note that the first 3 decimals coincide. The cubic root of 3549457 is about 152.5412519415.

The spelling of 3549457 in words is "three million, five hundred forty-nine thousand, four hundred fifty-seven".