5321403509 has 4 divisors (see below), whose sum is σ = 5336226720. Its totient is φ = 5306580300.

The previous prime is 5321403491. The next prime is 5321403559. The reversal of 5321403509 is 9053041235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5321403509 - 2²⁰ = 5320354933 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 (5321403559) 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, 7411067 + ... + 7411784.

It is an arithmetic number, because the mean of its divisors is an integer number (1334056680).

Almost surely, 2^5321403509 is an apocalyptic number.

It is an amenable number.

5321403509 is a deficient number, since it is larger than the sum of its proper divisors (14823211).

5321403509 is a wasteful number, since it uses less digits than its factorization.

5321403509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14823210.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 5321403509 is about 72947.9506840322. The cubic root of 5321403509 is about 1745.8572492610.

It can be divided in two parts, 532 and 1403509, that added together give a palindrome (1404041).

The spelling of 5321403509 in words is "five billion, three hundred twenty-one million, four hundred three thousand, five hundred nine".