5725052321 has 2 divisors, whose sum is σ = 5725052322. Its totient is φ = 5725052320.

The previous prime is 5725052297. The next prime is 5725052327. The reversal of 5725052321 is 1232505275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5246974096 + 478078225 = 72436^2 + 21865^2 .

It is a cyclic number.

It is not a de Polignac number, because 5725052321 - 2²⁶ = 5657943457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5725052327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2862526160 + 2862526161.

It is an arithmetic number, because the mean of its divisors is an integer number (2862526161).

Almost surely, 2^5725052321 is an apocalyptic number.

It is an amenable number.

5725052321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5725052321 is an equidigital number, since it uses as much as digits as its factorization.

5725052321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 5725052321 is about 75664.0754982178. The cubic root of 5725052321 is about 1788.9292016413.

Adding to 5725052321 its reverse (1232505275), we get a palindrome (6957557596).

The spelling of 5725052321 in words is "five billion, seven hundred twenty-five million, fifty-two thousand, three hundred twenty-one".