5421003 has 8 divisors (see below), whose sum is σ = 8260608. Its totient is φ = 3097704.

The previous prime is 5420983. The next prime is 5421007. The reversal of 5421003 is 3001245.

5421003 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5421003 - 2⁸ = 5420747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5421007) 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, 129051 + ... + 129092.

It is an arithmetic number, because the mean of its divisors is an integer number (1032576).

Almost surely, 2^5421003 is an apocalyptic number.

5421003 is a deficient number, since it is larger than the sum of its proper divisors (2839605).

5421003 is a wasteful number, since it uses less digits than its factorization.

5421003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258153.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 5421003 is about 2328.3047480946. The cubic root of 5421003 is about 175.6682261267.

Adding to 5421003 its reverse (3001245), we get a palindrome (8422248).

The spelling of 5421003 in words is "five million, four hundred twenty-one thousand, three".