4250503221 has 8 divisors (see below), whose sum is σ = 5669437440. Its totient is φ = 2832618912.

The previous prime is 4250503177. The next prime is 4250503261. The reversal of 4250503221 is 1223050524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4250503221 - 2⁶ = 4250503157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4250503191 and 4250503200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4250503261) 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 7 ways as a sum of consecutive naturals, for example, 252981 + ... + 269258.

It is an arithmetic number, because the mean of its divisors is an integer number (708679680).

Almost surely, 2^4250503221 is an apocalyptic number.

It is an amenable number.

4250503221 is a deficient number, since it is larger than the sum of its proper divisors (1418934219).

4250503221 is a wasteful number, since it uses less digits than its factorization.

4250503221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524955.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4250503221 is about 65195.8834666730. The cubic root of 4250503221 is about 1619.8698291231.

Adding to 4250503221 its reverse (1223050524), we get a palindrome (5473553745).

The spelling of 4250503221 in words is "four billion, two hundred fifty million, five hundred three thousand, two hundred twenty-one".