5781959 has 4 divisors (see below), whose sum is σ = 5836104. Its totient is φ = 5727816.

The previous prime is 5781911. The next prime is 5781961. The reversal of 5781959 is 9591875.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5781959 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 (5781059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26912 + ... + 27125.

It is an arithmetic number, because the mean of its divisors is an integer number (1459026).

Almost surely, 2^5781959 is an apocalyptic number.

5781959 is a deficient number, since it is larger than the sum of its proper divisors (54145).

5781959 is a wasteful number, since it uses less digits than its factorization.

5781959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54144.

The product of its digits is 113400, while the sum is 44.

The square root of 5781959 is about 2404.5704398083. The cubic root of 5781959 is about 179.4836953660.

The spelling of 5781959 in words is "five million, seven hundred eighty-one thousand, nine hundred fifty-nine".