4263250321 has 16 divisors (see below), whose sum is σ = 4720723200. Its totient is φ = 3817756800.

The previous prime is 4263250319. The next prime is 4263250331. The reversal of 4263250321 is 1230523624.

It is not a de Polignac number, because 4263250321 - 2¹ = 4263250319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4263250321.

It is not an unprimeable number, because it can be changed into a prime (4263250331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257275 + ... + 273343.

It is an arithmetic number, because the mean of its divisors is an integer number (295045200).

Almost surely, 2^4263250321 is an apocalyptic number.

It is an amenable number.

4263250321 is a deficient number, since it is larger than the sum of its proper divisors (457472879).

4263250321 is a wasteful number, since it uses less digits than its factorization.

4263250321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16440.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 4263250321 is about 65293.5702883523. The cubic root of 4263250321 is about 1621.4875227189.

Adding to 4263250321 its reverse (1230523624), we get a palindrome (5493773945).

The spelling of 4263250321 in words is "four billion, two hundred sixty-three million, two hundred fifty thousand, three hundred twenty-one".