5781149 has 16 divisors (see below), whose sum is σ = 6720000. Its totient is φ = 4918320.

The previous prime is 5781143. The next prime is 5781151. The reversal of 5781149 is 9411875.

It is not a de Polignac number, because 5781149 - 2⁴ = 5781133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5781143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28952 + ... + 29150.

It is an arithmetic number, because the mean of its divisors is an integer number (420000).

Almost surely, 2^5781149 is an apocalyptic number.

It is an amenable number.

5781149 is a deficient number, since it is larger than the sum of its proper divisors (938851).

5781149 is a wasteful number, since it uses less digits than its factorization.

5781149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368.

The product of its digits is 10080, while the sum is 35.

The square root of 5781149 is about 2404.4020046573. The cubic root of 5781149 is about 179.4753136288.

The spelling of 5781149 in words is "five million, seven hundred eighty-one thousand, one hundred forty-nine".