5231403 has 12 divisors (see below), whose sum is σ = 7954440. Its totient is φ = 3303936.

The previous prime is 5231389. The next prime is 5231411. The reversal of 5231403 is 3041325.

5231403 is a `hidden beast` number, since 523 + 140 + 3 = 666.

It is not a de Polignac number, because 5231403 - 2⁵ = 5231371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5231453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15126 + ... + 15467.

It is an arithmetic number, because the mean of its divisors is an integer number (662870).

Almost surely, 2^5231403 is an apocalyptic number.

5231403 is a deficient number, since it is larger than the sum of its proper divisors (2723037).

5231403 is a wasteful number, since it uses less digits than its factorization.

5231403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30618 (or 30615 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 5231403 is about 2287.2260491696. The cubic root of 5231403 is about 173.5958714606.

Adding to 5231403 its reverse (3041325), we get a palindrome (8272728).

The spelling of 5231403 in words is "five million, two hundred thirty-one thousand, four hundred three".