250312225 has 12 divisors (see below), whose sum is σ = 310788144. Its totient is φ = 199991120.

The previous prime is 250312217. The next prime is 250312273. The reversal of 250312225 is 522213052.

It is not a de Polignac number, because 250312225 - 2³ = 250312217 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 250312196 and 250312205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14622 + ... + 26728.

It is an arithmetic number, because the mean of its divisors is an integer number (25899012).

Almost surely, 2^250312225 is an apocalyptic number.

250312225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250312225 is a deficient number, since it is larger than the sum of its proper divisors (60475919).

250312225 is a wasteful number, since it uses less digits than its factorization.

250312225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12944 (or 12939 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 250312225 is about 15821.2586414609. The cubic root of 250312225 is about 630.2226684139. Note that the first 3 decimals are identical.

Adding to 250312225 its reverse (522213052), we get a palindrome (772525277).

The spelling of 250312225 in words is "two hundred fifty million, three hundred twelve thousand, two hundred twenty-five".