250451125025 has 48 divisors (see below), whose sum is σ = 332899661808. Its totient is φ = 186600960000.

The previous prime is 250451125007. The next prime is 250451125079. The reversal of 250451125025 is 520521154052.

It is a happy number.

It can be written as a sum of positive squares in 24 ways, for example, as 156221772001 + 94229353024 = 395249^2 + 306968^2 .

It is not a de Polignac number, because 250451125025 - 2¹⁸ = 250450862881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250451124982 and 250451125000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1947725 + ... + 2072325.

It is an arithmetic number, because the mean of its divisors is an integer number (6935409621).

Almost surely, 2^250451125025 is an apocalyptic number.

250451125025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250451125025 is a deficient number, since it is larger than the sum of its proper divisors (82448536783).

250451125025 is a wasteful number, since it uses less digits than its factorization.

250451125025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124742 (or 124737 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 250451125025 its reverse (520521154052), we get a palindrome (770972279077).

The spelling of 250451125025 in words is "two hundred fifty billion, four hundred fifty-one million, one hundred twenty-five thousand, twenty-five".