5781133 has 2 divisors, whose sum is σ = 5781134. Its totient is φ = 5781132.

The previous prime is 5781131. The next prime is 5781143. The reversal of 5781133 is 3311875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5774409 + 6724 = 2403^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 5781133 - 2¹ = 5781131 is a prime.

Together with 5781131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5781131) by changing a digit.

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 as a sum of consecutive naturals, namely, 2890566 + 2890567.

It is an arithmetic number, because the mean of its divisors is an integer number (2890567).

Almost surely, 2^5781133 is an apocalyptic number.

It is an amenable number.

5781133 is a deficient number, since it is larger than the sum of its proper divisors (1).

5781133 is an equidigital number, since it uses as much as digits as its factorization.

5781133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 5781133 is about 2404.3986774244. The cubic root of 5781133 is about 179.4751480557.

It can be divided in two parts, 578 and 1133, that added together give a triangular number (1711 = T₅₈).

The spelling of 5781133 in words is "five million, seven hundred eighty-one thousand, one hundred thirty-three".