250840225 has 12 divisors (see below), whose sum is σ = 313797996. Its totient is φ = 198894080.

The previous prime is 250840217. The next prime is 250840259. The reversal of 250840225 is 522048052.

250840225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 117483921 + 133356304 = 10839^2 + 11548^2 .

It is not a de Polignac number, because 250840225 - 2³ = 250840217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250840193 and 250840202.

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, 41572 + ... + 47221.

It is an arithmetic number, because the mean of its divisors is an integer number (26149833).

Almost surely, 2^250840225 is an apocalyptic number.

250840225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250840225 is a deficient number, since it is larger than the sum of its proper divisors (62957771).

250840225 is a wasteful number, since it uses less digits than its factorization.

250840225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88916 (or 88911 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 250840225 is about 15837.9362607633. The cubic root of 250840225 is about 630.6654805506.

Adding to 250840225 its reverse (522048052), we get a palindrome (772888277).

The spelling of 250840225 in words is "two hundred fifty million, eight hundred forty thousand, two hundred twenty-five".