3561173 has 12 divisors (see below), whose sum is σ = 4519872. Its totient is φ = 2774520.

The previous prime is 3561167. The next prime is 3561191. The reversal of 3561173 is 3711653.

It is a happy number.

It is not a de Polignac number, because 3561173 - 2²⁰ = 2512597 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561133) 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 in 11 ways as a sum of consecutive naturals, for example, 2765 + ... + 3842.

It is an arithmetic number, because the mean of its divisors is an integer number (376656).

Almost surely, 2^3561173 is an apocalyptic number.

It is an amenable number.

3561173 is a deficient number, since it is larger than the sum of its proper divisors (958699).

3561173 is a wasteful number, since it uses less digits than its factorization.

3561173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632 (or 6625 counting only the distinct ones).

The product of its digits is 1890, while the sum is 26.

The square root of 3561173 is about 1887.1070451885. The cubic root of 3561173 is about 152.7089029884.

The spelling of 3561173 in words is "three million, five hundred sixty-one thousand, one hundred seventy-three".