5143861 has 4 divisors (see below), whose sum is σ = 5309824. Its totient is φ = 4977900.

The previous prime is 5143849. The next prime is 5143871. The reversal of 5143861 is 1683415.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1683415 = 5 ⋅336683.

It is a cyclic number.

It is not a de Polignac number, because 5143861 - 2⁹ = 5143349 is a prime.

It is a Duffinian number.

5143861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143871) 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, 82935 + ... + 82996.

It is an arithmetic number, because the mean of its divisors is an integer number (1327456).

Almost surely, 2^5143861 is an apocalyptic number.

It is an amenable number.

5143861 is a deficient number, since it is larger than the sum of its proper divisors (165963).

5143861 is a wasteful number, since it uses less digits than its factorization.

5143861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165962.

The product of its digits is 2880, while the sum is 28.

The square root of 5143861 is about 2268.0081569518. The cubic root of 5143861 is about 172.6221049634.

The spelling of 5143861 in words is "five million, one hundred forty-three thousand, eight hundred sixty-one".