5321861 has 4 divisors (see below), whose sum is σ = 5334924. Its totient is φ = 5308800.

The previous prime is 5321851. The next prime is 5321873. The reversal of 5321861 is 1681235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1681235 = 5 ⋅336247.

It can be written as a sum of positive squares in 2 ways, for example, as 8836 + 5313025 = 94^2 + 2305^2 .

It is a cyclic number.

It is not a de Polignac number, because 5321861 - 2¹⁴ = 5305477 is a prime.

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 5321861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5321851) 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, 5900 + ... + 6741.

It is an arithmetic number, because the mean of its divisors is an integer number (1333731).

Almost surely, 2^5321861 is an apocalyptic number.

It is an amenable number.

5321861 is a deficient number, since it is larger than the sum of its proper divisors (13063).

5321861 is a wasteful number, since it uses less digits than its factorization.

5321861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13062.

The product of its digits is 1440, while the sum is 26.

The square root of 5321861 is about 2306.9159065731. The cubic root of 5321861 is about 174.5907279364.

The spelling of 5321861 in words is "five million, three hundred twenty-one thousand, eight hundred sixty-one".