250001250125 has 16 divisors (see below), whose sum is σ = 340365340224. Its totient is φ = 181819090000.

The previous prime is 250001250119. The next prime is 250001250131. The reversal of 250001250125 is 521052100052.

It is an interprime number because it is at equal distance from previous prime (250001250119) and next prime (250001250131).

It is a de Polignac number, because none of the positive numbers 2^k-250001250125 is a prime.

It is a Duffinian number.

250001250125 is a modest number, since divided by 1250125 gives 2500 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 250001250125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90908171 + ... + 90910920.

It is an arithmetic number, because the mean of its divisors is an integer number (21272833764).

Almost surely, 2^250001250125 is an apocalyptic number.

250001250125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250001250125 is a deficient number, since it is larger than the sum of its proper divisors (90364090099).

250001250125 is a wasteful number, since it uses less digits than its factorization.

250001250125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181819117 (or 181819107 counting only the distinct ones).

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

Adding to 250001250125 its reverse (521052100052), we get a palindrome (771053350177).

The spelling of 250001250125 in words is "two hundred fifty billion, one million, two hundred fifty thousand, one hundred twenty-five".