5143805 has 4 divisors (see below), whose sum is σ = 6172572. Its totient is φ = 4115040.

The previous prime is 5143793. The next prime is 5143807. The reversal of 5143805 is 5083415.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2247001 + 2896804 = 1499^2 + 1702^2 .

It is not a de Polignac number, because 5143805 - 2²⁰ = 4095229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143807) 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, 514376 + ... + 514385.

It is an arithmetic number, because the mean of its divisors is an integer number (1543143).

Almost surely, 2^5143805 is an apocalyptic number.

It is an amenable number.

5143805 is a deficient number, since it is larger than the sum of its proper divisors (1028767).

5143805 is a wasteful number, since it uses less digits than its factorization.

5143805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028766.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5143805 is about 2267.9958112836. The cubic root of 5143805 is about 172.6214785291.

The spelling of 5143805 in words is "five million, one hundred forty-three thousand, eight hundred five".