5400403 has 4 divisors (see below), whose sum is σ = 5439960. Its totient is φ = 5360848.

The previous prime is 5400359. The next prime is 5400419. The reversal of 5400403 is 3040045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5400403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5400443) 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, 19573 + ... + 19846.

It is an arithmetic number, because the mean of its divisors is an integer number (1359990).

Almost surely, 2^5400403 is an apocalyptic number.

5400403 is a deficient number, since it is larger than the sum of its proper divisors (39557).

5400403 is a wasteful number, since it uses less digits than its factorization.

5400403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39556.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 5400403 is about 2323.8767179005. The cubic root of 5400403 is about 175.4454285514.

Adding to 5400403 its reverse (3040045), we get a palindrome (8440448).

The spelling of 5400403 in words is "five million, four hundred thousand, four hundred three".