3551573 has 2 divisors, whose sum is σ = 3551574. Its totient is φ = 3551572.

The previous prime is 3551563. The next prime is 3551599. The reversal of 3551573 is 3751553.

3551573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2380849 + 1170724 = 1543^2 + 1082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3551573 is a prime.

It is a super-2 number, since 2×3551573² = 25227341548658, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3551503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775786 + 1775787.

It is an arithmetic number, because the mean of its divisors is an integer number (1775787).

Almost surely, 2^3551573 is an apocalyptic number.

It is an amenable number.

3551573 is a deficient number, since it is larger than the sum of its proper divisors (1).

3551573 is an equidigital number, since it uses as much as digits as its factorization.

3551573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7875, while the sum is 29.

The square root of 3551573 is about 1884.5617527691. The cubic root of 3551573 is about 152.5715582831.

The spelling of 3551573 in words is "three million, five hundred fifty-one thousand, five hundred seventy-three".