5431403 has 4 divisors (see below), whose sum is σ = 5492520. Its totient is φ = 5370288.

The previous prime is 5431399. The next prime is 5431441. The reversal of 5431403 is 3041345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3041345 = 5 ⋅608269.

It is a cyclic number.

It is not a de Polignac number, because 5431403 - 2² = 5431399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5431303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30425 + ... + 30602.

It is an arithmetic number, because the mean of its divisors is an integer number (1373130).

Almost surely, 2^5431403 is an apocalyptic number.

5431403 is a deficient number, since it is larger than the sum of its proper divisors (61117).

5431403 is an equidigital number, since it uses as much as digits as its factorization.

5431403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61116.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 5431403 is about 2330.5370625673. The cubic root of 5431403 is about 175.7804920968.

Adding to 5431403 its reverse (3041345), we get a palindrome (8472748).

The spelling of 5431403 in words is "five million, four hundred thirty-one thousand, four hundred three".