1354403 has 4 divisors (see below), whose sum is σ = 1358760. Its totient is φ = 1350048.

The previous prime is 1354393. The next prime is 1354471. The reversal of 1354403 is 3044531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3044531 = 7 ⋅434933.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1354403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1354303) 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, 1673 + ... + 2346.

It is an arithmetic number, because the mean of its divisors is an integer number (339690).

2^1354403 is an apocalyptic number.

1354403 is a deficient number, since it is larger than the sum of its proper divisors (4357).

1354403 is an equidigital number, since it uses as much as digits as its factorization.

1354403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356.

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

The square root of 1354403 is about 1163.7882109731. The cubic root of 1354403 is about 110.6409685738.

Adding to 1354403 its reverse (3044531), we get a palindrome (4398934).

The spelling of 1354403 in words is "one million, three hundred fifty-four thousand, four hundred three".