5424620321 has 4 divisors (see below), whose sum is σ = 5743715652. Its totient is φ = 5105524992.

The previous prime is 5424620309. The next prime is 5424620347. The reversal of 5424620321 is 1230264245.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2168206096 + 3256414225 = 46564^2 + 57065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5424620321 is a prime.

It is a super-2 number, since 2×5424620321² = 58853011254012286082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5424620371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159547640 + ... + 159547673.

It is an arithmetic number, because the mean of its divisors is an integer number (1435928913).

Almost surely, 2^5424620321 is an apocalyptic number.

It is an amenable number.

5424620321 is a deficient number, since it is larger than the sum of its proper divisors (319095331).

5424620321 is a wasteful number, since it uses less digits than its factorization.

5424620321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319095330.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 5424620321 is about 73652.0218391865. The cubic root of 5424620321 is about 1757.0729067341.

Adding to 5424620321 its reverse (1230264245), we get a palindrome (6654884566).

The spelling of 5424620321 in words is "five billion, four hundred twenty-four million, six hundred twenty thousand, three hundred twenty-one".