5250145220 has 24 divisors (see below), whose sum is σ = 11026675800. Its totient is φ = 2099796992.

The previous prime is 5250145217. The next prime is 5250145223. The reversal of 5250145220 is 225410525.

It is an interprime number because it is at equal distance from previous prime (5250145217) and next prime (5250145223).

It can be written as a sum of positive squares in 4 ways, for example, as 1161310084 + 4088835136 = 34078^2 + 63944^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5250145220.

It is not an unprimeable number, because it can be changed into a prime (5250145223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278246 + ... + 296514.

It is an arithmetic number, because the mean of its divisors is an integer number (459444825).

Almost surely, 2^5250145220 is an apocalyptic number.

It is an amenable number.

5250145220 is an abundant number, since it is smaller than the sum of its proper divisors (5776530580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5250145220 is a wasteful number, since it uses less digits than its factorization.

5250145220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32647 (or 32645 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 5250145220 is about 72457.8858372227. The cubic root of 5250145220 is about 1738.0293473301.

Adding to 5250145220 its reverse (225410525), we get a palindrome (5475555745).

The spelling of 5250145220 in words is "five billion, two hundred fifty million, one hundred forty-five thousand, two hundred twenty".