250305220225 has 6 divisors (see below), whose sum is σ = 310378473110. Its totient is φ = 200244176160.

The previous prime is 250305220213. The next prime is 250305220237. The reversal of 250305220225 is 522022503052.

It is an interprime number because it is at equal distance from previous prime (250305220213) and next prime (250305220237).

It can be written as a sum of positive squares in 3 ways, for example, as 89023463424 + 161281756801 = 298368^2 + 401599^2 .

It is not a de Polignac number, because 250305220225 - 2⁷ = 250305220097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 250305220193 and 250305220202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5006104380 + ... + 5006104429.

Almost surely, 2^250305220225 is an apocalyptic number.

250305220225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250305220225 is a deficient number, since it is larger than the sum of its proper divisors (60073252885).

250305220225 is a wasteful number, since it uses less digits than its factorization.

250305220225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012208819 (or 10012208814 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 250305220225 its reverse (522022503052), we get a palindrome (772327723277).

The spelling of 250305220225 in words is "two hundred fifty billion, three hundred five million, two hundred twenty thousand, two hundred twenty-five".