5255250321 has 8 divisors (see below), whose sum is σ = 7029532224. Its totient is φ = 3492234320.

The previous prime is 5255250313. The next prime is 5255250331. The reversal of 5255250321 is 1230525525.

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 5255250321 - 2³ = 5255250313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5255250331) 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, 2815386 + ... + 2817251.

It is an arithmetic number, because the mean of its divisors is an integer number (878691528).

Almost surely, 2^5255250321 is an apocalyptic number.

It is an amenable number.

5255250321 is a deficient number, since it is larger than the sum of its proper divisors (1774281903).

5255250321 is a wasteful number, since it uses less digits than its factorization.

5255250321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5632951.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 5255250321 is about 72493.1053342316. The cubic root of 5255250321 is about 1738.5925026108.

Adding to 5255250321 its reverse (1230525525), we get a palindrome (6485775846).

The spelling of 5255250321 in words is "five billion, two hundred fifty-five million, two hundred fifty thousand, three hundred twenty-one".