5661475 has 12 divisors (see below), whose sum is σ = 7049896. Its totient is φ = 4510080.

The previous prime is 5661457. The next prime is 5661497. The reversal of 5661475 is 5741665.

It is a happy number.

It is not a de Polignac number, because 5661475 - 2¹³ = 5653283 is a prime.

It is a Duffinian number.

5661475 is a lucky number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 5661475.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 10564 + ... + 11086.

Almost surely, 2^5661475 is an apocalyptic number.

5661475 is a deficient number, since it is larger than the sum of its proper divisors (1388421).

5661475 is a wasteful number, since it uses less digits than its factorization.

5661475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 961 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 5661475 is about 2379.3854248524. The cubic root of 5661475 is about 178.2282452647.

The spelling of 5661475 in words is "five million, six hundred sixty-one thousand, four hundred seventy-five".