5143540 has 12 divisors (see below), whose sum is σ = 10801476. Its totient is φ = 2057408.

The previous prime is 5143499. The next prime is 5143543. The reversal of 5143540 is 453415.

It can be written as a sum of positive squares in 2 ways, for example, as 1503076 + 3640464 = 1226^2 + 1908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143543) 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, 128569 + ... + 128608.

It is an arithmetic number, because the mean of its divisors is an integer number (900123).

Almost surely, 2^5143540 is an apocalyptic number.

It is an amenable number.

5143540 is an abundant number, since it is smaller than the sum of its proper divisors (5657936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5143540 is a wasteful number, since it uses less digits than its factorization.

5143540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257186 (or 257184 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 5143540 is about 2267.9373889065. The cubic root of 5143540 is about 172.6185140908.

Adding to 5143540 its reverse (453415), we get a palindrome (5596955).

The spelling of 5143540 in words is "five million, one hundred forty-three thousand, five hundred forty".