3661575 has 12 divisors (see below), whose sum is σ = 6053928. Its totient is φ = 1952800.

The previous prime is 3661573. The next prime is 3661583. The reversal of 3661575 is 5751663.

It is not a de Polignac number, because 3661575 - 2¹ = 3661573 is a prime.

3661575 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24336 + ... + 24485.

It is an arithmetic number, because the mean of its divisors is an integer number (504494).

Almost surely, 2^3661575 is an apocalyptic number.

3661575 is a deficient number, since it is larger than the sum of its proper divisors (2392353).

3661575 is a wasteful number, since it uses less digits than its factorization.

3661575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48834 (or 48829 counting only the distinct ones).

The product of its digits is 18900, while the sum is 33.

The square root of 3661575 is about 1913.5242355403. The cubic root of 3661575 is about 154.1307569963.

The spelling of 3661575 in words is "three million, six hundred sixty-one thousand, five hundred seventy-five".