426500203 has 4 divisors (see below), whose sum is σ = 433729080. Its totient is φ = 419271328.

The previous prime is 426500197. The next prime is 426500219. The reversal of 426500203 is 302005624.

It is a happy number.

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-426500203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426500603) 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, 3614350 + ... + 3614467.

It is an arithmetic number, because the mean of its divisors is an integer number (108432270).

Almost surely, 2^426500203 is an apocalyptic number.

426500203 is a deficient number, since it is larger than the sum of its proper divisors (7228877).

426500203 is an equidigital number, since it uses as much as digits as its factorization.

426500203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7228876.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 426500203 is about 20651.8813428704. The cubic root of 426500203 is about 752.7309051771.

Adding to 426500203 its reverse (302005624), we get a palindrome (728505827).

The spelling of 426500203 in words is "four hundred twenty-six million, five hundred thousand, two hundred three".