5213421503 has 8 divisors (see below), whose sum is σ = 5262542208. Its totient is φ = 5164510104.

The previous prime is 5213421491. The next prime is 5213421539. The reversal of 5213421503 is 3051243125.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5213421503 - 2⁶ = 5213421439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5213421203) 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, 2051 + ... + 102132.

It is an arithmetic number, because the mean of its divisors is an integer number (657817776).

Almost surely, 2^5213421503 is an apocalyptic number.

5213421503 is a deficient number, since it is larger than the sum of its proper divisors (49120705).

5213421503 is a wasteful number, since it uses less digits than its factorization.

5213421503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104653.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5213421503 is about 72204.0269167863. The cubic root of 5213421503 is about 1733.9674725292.

Adding to 5213421503 its reverse (3051243125), we get a palindrome (8264664628).

It can be divided in two parts, 52134 and 21503, that added together give a palindrome (73637).

The spelling of 5213421503 in words is "five billion, two hundred thirteen million, four hundred twenty-one thousand, five hundred three".