5065891 has 4 divisors (see below), whose sum is σ = 5088832. Its totient is φ = 5042952.

The previous prime is 5065889. The next prime is 5065897. The reversal of 5065891 is 1985605.

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

It is a cyclic number.

It is not a de Polignac number, because 5065891 - 2¹ = 5065889 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5065897) 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, 11136 + ... + 11581.

It is an arithmetic number, because the mean of its divisors is an integer number (1272208).

Almost surely, 2^5065891 is an apocalyptic number.

5065891 is a deficient number, since it is larger than the sum of its proper divisors (22941).

5065891 is a wasteful number, since it uses less digits than its factorization.

5065891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22940.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 5065891 is about 2250.7534294098. The cubic root of 5065891 is about 171.7454658608.

The spelling of 5065891 in words is "five million, sixty-five thousand, eight hundred ninety-one".