5781775 has 6 divisors (see below), whose sum is σ = 7169432. Its totient is φ = 4625400.

The previous prime is 5781749. The next prime is 5781791. The reversal of 5781775 is 5771875.

It is a happy number.

It is not a de Polignac number, because 5781775 - 2¹¹ = 5779727 is a prime.

It is a Duffinian number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 115611 + ... + 115660.

Almost surely, 2^5781775 is an apocalyptic number.

5781775 is a deficient number, since it is larger than the sum of its proper divisors (1387657).

5781775 is a wasteful number, since it uses less digits than its factorization.

5781775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231281 (or 231276 counting only the distinct ones).

The product of its digits is 68600, while the sum is 40.

The square root of 5781775 is about 2404.5321790319. The cubic root of 5781775 is about 179.4817914352.

Subtracting from 5781775 its product of digits (68600), we obtain a palindrome (5713175).

It can be divided in two parts, 5781 and 775, that added together give a palindrome (6556).

The spelling of 5781775 in words is "five million, seven hundred eighty-one thousand, seven hundred seventy-five".