250125125 has 16 divisors (see below), whose sum is σ = 313311024. Its totient is φ = 199360000.

The previous prime is 250125121. The next prime is 250125151. The reversal of 250125125 is 521521052.

It can be written as a sum of positive squares in 8 ways, for example, as 136936804 + 113188321 = 11702^2 + 10639^2 .

It is not a de Polignac number, because 250125125 - 2² = 250125121 is a prime.

It is a Duffinian number.

250125125 is a modest number, since divided by 125125 gives 250 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 250125125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250125121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31565 + ... + 38685.

It is an arithmetic number, because the mean of its divisors is an integer number (19581939).

Almost surely, 2^250125125 is an apocalyptic number.

250125125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250125125 is a deficient number, since it is larger than the sum of its proper divisors (63185899).

250125125 is an equidigital number, since it uses as much as digits as its factorization.

250125125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7417 (or 7407 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 250125125 is about 15815.3446057935. The cubic root of 250125125 is about 630.0656058326.

Adding to 250125125 its reverse (521521052), we get a palindrome (771646177).

The spelling of 250125125 in words is "two hundred fifty million, one hundred twenty-five thousand, one hundred twenty-five".