250040125 has 8 divisors (see below), whose sum is σ = 312050232. Its totient is φ = 200032000.

The previous prime is 250040081. The next prime is 250040129. The reversal of 250040125 is 521040052.

It can be written as a sum of positive squares in 4 ways, for example, as 57441241 + 192598884 = 7579^2 + 13878^2 .

It is not a de Polignac number, because 250040125 - 2²⁷ = 115822397 is a prime.

It is a super-2 number, since 2×250040125² = 125040128220031250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250040129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1000036 + ... + 1000285.

It is an arithmetic number, because the mean of its divisors is an integer number (39006279).

Almost surely, 2^250040125 is an apocalyptic number.

250040125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250040125 is a deficient number, since it is larger than the sum of its proper divisors (62010107).

250040125 is an equidigital number, since it uses as much as digits as its factorization.

250040125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000336 (or 2000326 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 250040125 is about 15812.6571138440. The cubic root of 250040125 is about 629.9942260326.

Adding to 250040125 its reverse (521040052), we get a palindrome (771080177).

The spelling of 250040125 in words is "two hundred fifty million, forty thousand, one hundred twenty-five".