250121514425 has 12 divisors (see below), whose sum is σ = 310924133436. Its totient is φ = 199598208000.

The previous prime is 250121514367. The next prime is 250121514449. The reversal of 250121514425 is 524415121052.

It can be written as a sum of positive squares in 6 ways, for example, as 302481664 + 249819032761 = 17392^2 + 499819^2 .

It is not a de Polignac number, because 250121514425 - 2¹⁴ = 250121498041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250121514391 and 250121514400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12464864 + ... + 12484913.

It is an arithmetic number, because the mean of its divisors is an integer number (25910344453).

Almost surely, 2^250121514425 is an apocalyptic number.

250121514425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250121514425 is a deficient number, since it is larger than the sum of its proper divisors (60802619011).

250121514425 is a wasteful number, since it uses less digits than its factorization.

250121514425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24950188 (or 24950183 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 250121514425 its reverse (524415121052), we get a palindrome (774536635477).

The spelling of 250121514425 in words is "two hundred fifty billion, one hundred twenty-one million, five hundred fourteen thousand, four hundred twenty-five".