5651288321 has 8 divisors (see below), whose sum is σ = 6460386240. Its totient is φ = 4842633168.

The previous prime is 5651288309. The next prime is 5651288369. The reversal of 5651288321 is 1238821565.

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 5651288321 - 2¹⁰ = 5651287297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5651288021) 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, 82871 + ... + 134796.

It is an arithmetic number, because the mean of its divisors is an integer number (807548280).

Almost surely, 2^5651288321 is an apocalyptic number.

It is an amenable number.

5651288321 is a deficient number, since it is larger than the sum of its proper divisors (809097919).

5651288321 is a wasteful number, since it uses less digits than its factorization.

5651288321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221383.

The product of its digits is 115200, while the sum is 41.

The square root of 5651288321 is about 75175.0511872124. The cubic root of 5651288321 is about 1781.2128586391.

The spelling of 5651288321 in words is "five billion, six hundred fifty-one million, two hundred eighty-eight thousand, three hundred twenty-one".