5624657321 has 4 divisors (see below), whose sum is σ = 5634048000. Its totient is φ = 5615266644.

The previous prime is 5624657279. The next prime is 5624657327. The reversal of 5624657321 is 1237564265.

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 5624657321 - 2¹⁴ = 5624640937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5624657327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4694441 + ... + 4695638.

It is an arithmetic number, because the mean of its divisors is an integer number (1408512000).

Almost surely, 2^5624657321 is an apocalyptic number.

It is an amenable number.

5624657321 is a deficient number, since it is larger than the sum of its proper divisors (9390679).

5624657321 is an equidigital number, since it uses as much as digits as its factorization.

5624657321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9390678.

The product of its digits is 302400, while the sum is 41.

The square root of 5624657321 is about 74997.7154385385. The cubic root of 5624657321 is about 1778.4105367667.

The spelling of 5624657321 in words is "five billion, six hundred twenty-four million, six hundred fifty-seven thousand, three hundred twenty-one".