5403243 has 8 divisors (see below), whose sum is σ = 7216128. Its totient is φ = 3596264.

The previous prime is 5403169. The next prime is 5403247. The reversal of 5403243 is 3423045.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5403243 - 2¹⁴ = 5386859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5403247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546 + ... + 3632.

It is an arithmetic number, because the mean of its divisors is an integer number (902016).

Almost surely, 2^5403243 is an apocalyptic number.

5403243 is a deficient number, since it is larger than the sum of its proper divisors (1812885).

5403243 is a wasteful number, since it uses less digits than its factorization.

5403243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 5403243 is about 2324.4876854911. The cubic root of 5403243 is about 175.4761779664.

Adding to 5403243 its reverse (3423045), we get a palindrome (8826288).

The spelling of 5403243 in words is "five million, four hundred three thousand, two hundred forty-three".