5214891 has 16 divisors (see below), whose sum is σ = 7792128. Its totient is φ = 3074400.

The previous prime is 5214889. The next prime is 5214899. The reversal of 5214891 is 1984125.

It is a happy number.

It is not a de Polignac number, because 5214891 - 2¹ = 5214889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5214899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915 + ... + 3356.

It is an arithmetic number, because the mean of its divisors is an integer number (487008).

Almost surely, 2^5214891 is an apocalyptic number.

5214891 is the 1221-st nonagonal number.

5214891 is a deficient number, since it is larger than the sum of its proper divisors (2577237).

5214891 is a wasteful number, since it uses less digits than its factorization.

5214891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322.

The product of its digits is 2880, while the sum is 30.

The square root of 5214891 is about 2283.6135837746. The cubic root of 5214891 is about 173.4130373907.

It can be divided in two parts, 5214 and 891, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 5214891 in words is "five million, two hundred fourteen thousand, eight hundred ninety-one".