250001400125 has 32 divisors (see below), whose sum is σ = 319716633600. Its totient is φ = 195058896000.

The previous prime is 250001400091. The next prime is 250001400133. The reversal of 250001400125 is 521004100052.

It is a de Polignac number, because none of the positive numbers 2^k-250001400125 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 250001400097 and 250001400106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20898896 + ... + 20910854.

It is an arithmetic number, because the mean of its divisors is an integer number (9991144800).

Almost surely, 2^250001400125 is an apocalyptic number.

250001400125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250001400125 is a deficient number, since it is larger than the sum of its proper divisors (69715233475).

250001400125 is a wasteful number, since it uses less digits than its factorization.

250001400125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16094 (or 16084 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 250001400125 its reverse (521004100052), we get a palindrome (771005500177).

The spelling of 250001400125 in words is "two hundred fifty billion, one million, four hundred thousand, one hundred twenty-five".