5189861 has 4 divisors (see below), whose sum is σ = 5240352. Its totient is φ = 5139372.

The previous prime is 5189851. The next prime is 5189893. The reversal of 5189861 is 1689815.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5189861 - 2⁶ = 5189797 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 (5189851) 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, 25091 + ... + 25296.

It is an arithmetic number, because the mean of its divisors is an integer number (1310088).

Almost surely, 2^5189861 is an apocalyptic number.

It is an amenable number.

5189861 is a deficient number, since it is larger than the sum of its proper divisors (50491).

5189861 is a wasteful number, since it uses less digits than its factorization.

5189861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50490.

The product of its digits is 17280, while the sum is 38.

The square root of 5189861 is about 2278.1266426606. The cubic root of 5189861 is about 173.1351478280.

The spelling of 5189861 in words is "five million, one hundred eighty-nine thousand, eight hundred sixty-one".