250421104625 has 8 divisors (see below), whose sum is σ = 312525538728. Its totient is φ = 200336883600.

The previous prime is 250421104607. The next prime is 250421104627. The reversal of 250421104625 is 526401124052.

It can be written as a sum of positive squares in 4 ways, for example, as 49474215184 + 200946889441 = 222428^2 + 448271^2 .

It is not a de Polignac number, because 250421104625 - 2¹² = 250421100529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250421104591 and 250421104600.

It is not an unprimeable number, because it can be changed into a prime (250421104627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001684294 + ... + 1001684543.

It is an arithmetic number, because the mean of its divisors is an integer number (39065692341).

Almost surely, 2^250421104625 is an apocalyptic number.

250421104625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250421104625 is a deficient number, since it is larger than the sum of its proper divisors (62104434103).

250421104625 is an equidigital number, since it uses as much as digits as its factorization.

250421104625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003368852 (or 2003368842 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 250421104625 its reverse (526401124052), we get a palindrome (776822228677).

The spelling of 250421104625 in words is "two hundred fifty billion, four hundred twenty-one million, one hundred four thousand, six hundred twenty-five".