250775825 has 12 divisors (see below), whose sum is σ = 319367580. Its totient is φ = 195197760.

The previous prime is 250775809. The next prime is 250775827. The reversal of 250775825 is 528577052.

It can be written as a sum of positive squares in 6 ways, for example, as 5414929 + 245360896 = 2327^2 + 15664^2 .

It is not a de Polignac number, because 250775825 - 2⁴ = 250775809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (250775827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134630 + ... + 136479.

It is an arithmetic number, because the mean of its divisors is an integer number (26613965).

Almost surely, 2^250775825 is an apocalyptic number.

250775825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250775825 is a deficient number, since it is larger than the sum of its proper divisors (68591755).

250775825 is a wasteful number, since it uses less digits than its factorization.

250775825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271156 (or 271151 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 250775825 is about 15835.9030370863. The cubic root of 250775825 is about 630.6115041822.

The spelling of 250775825 in words is "two hundred fifty million, seven hundred seventy-five thousand, eight hundred twenty-five".