5915881 has 4 divisors (see below), whose sum is σ = 6263892. Its totient is φ = 5567872.

The previous prime is 5915869. The next prime is 5915887. The reversal of 5915881 is 1885195.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3080025 + 2835856 = 1755^2 + 1684^2 .

It is a cyclic number.

It is not a de Polignac number, because 5915881 - 2¹⁵ = 5883113 is a prime.

It is a super-2 number, since 2×5915881² = 69995296012322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5915881.

It is not an unprimeable number, because it can be changed into a prime (5915887) 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 in 3 ways as a sum of consecutive naturals, for example, 173980 + ... + 174013.

It is an arithmetic number, because the mean of its divisors is an integer number (1565973).

Almost surely, 2^5915881 is an apocalyptic number.

It is an amenable number.

5915881 is a deficient number, since it is larger than the sum of its proper divisors (348011).

5915881 is a wasteful number, since it uses less digits than its factorization.

5915881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348010.

The product of its digits is 14400, while the sum is 37.

The square root of 5915881 is about 2432.2584155472. The cubic root of 5915881 is about 180.8588686477.

The spelling of 5915881 in words is "five million, nine hundred fifteen thousand, eight hundred eighty-one".