250444025 has 12 divisors (see below), whose sum is σ = 334439532. Its totient is φ = 184943040.

The previous prime is 250443961. The next prime is 250444039. The reversal of 250444025 is 520444052.

It can be written as a sum of positive squares in 6 ways, for example, as 90573289 + 159870736 = 9517^2 + 12644^2 .

It is not a de Polignac number, because 250444025 - 2⁶ = 250443961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250443985 and 250444003.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 384974 + ... + 385623.

It is an arithmetic number, because the mean of its divisors is an integer number (27869961).

Almost surely, 2^250444025 is an apocalyptic number.

250444025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250444025 is a deficient number, since it is larger than the sum of its proper divisors (83995507).

250444025 is a wasteful number, since it uses less digits than its factorization.

250444025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770620 (or 770615 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 250444025 is about 15825.4233750633. The cubic root of 250444025 is about 630.3332619912. Note that the first 3 decimals are identical.

Adding to 250444025 its reverse (520444052), we get a palindrome (770888077).

The spelling of 250444025 in words is "two hundred fifty million, four hundred forty-four thousand, twenty-five".