5143385 has 16 divisors (see below), whose sum is σ = 6776784. Its totient is φ = 3724032.

The previous prime is 5143381. The next prime is 5143403. The reversal of 5143385 is 5833415.

It can be written as a sum of positive squares in 8 ways, for example, as 17689 + 5125696 = 133^2 + 2264^2 .

It is not a de Polignac number, because 5143385 - 2² = 5143381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5143381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2699 + ... + 4191.

It is an arithmetic number, because the mean of its divisors is an integer number (423549).

Almost surely, 2^5143385 is an apocalyptic number.

It is an amenable number.

5143385 is a deficient number, since it is larger than the sum of its proper divisors (1633399).

5143385 is a wasteful number, since it uses less digits than its factorization.

5143385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its digits is 7200, while the sum is 29.

The square root of 5143385 is about 2267.9032166298. The cubic root of 5143385 is about 172.6167801269.

The spelling of 5143385 in words is "five million, one hundred forty-three thousand, three hundred eighty-five".