3555061 has 4 divisors (see below), whose sum is σ = 3559500. Its totient is φ = 3550624.

The previous prime is 3555059. The next prime is 3555067. The reversal of 3555061 is 1605553.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3352561 + 202500 = 1831^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 3555061 - 2¹ = 3555059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3555067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646 + ... + 2743.

It is an arithmetic number, because the mean of its divisors is an integer number (889875).

Almost surely, 2^3555061 is an apocalyptic number.

It is an amenable number.

3555061 is a deficient number, since it is larger than the sum of its proper divisors (4439).

3555061 is a wasteful number, since it uses less digits than its factorization.

3555061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 3555061 is about 1885.4869397585. The cubic root of 3555061 is about 152.6214887858.

The spelling of 3555061 in words is "three million, five hundred fifty-five thousand, sixty-one".