5321820351 has 4 divisors (see below), whose sum is σ = 7095760472. Its totient is φ = 3547880232.

The previous prime is 5321820337. The next prime is 5321820359. The reversal of 5321820351 is 1530281235.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5321820351 - 2²² = 5317626047 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 (5321820359) 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, 886970056 + ... + 886970061.

It is an arithmetic number, because the mean of its divisors is an integer number (1773940118).

Almost surely, 2^5321820351 is an apocalyptic number.

5321820351 is a deficient number, since it is larger than the sum of its proper divisors (1773940121).

5321820351 is a wasteful number, since it uses less digits than its factorization.

5321820351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773940120.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 5321820351 is about 72950.8077474129. The cubic root of 5321820351 is about 1745.9028342039.

The spelling of 5321820351 in words is "five billion, three hundred twenty-one million, eight hundred twenty thousand, three hundred fifty-one".