250625 has 10 divisors (see below), whose sum is σ = 313962. Its totient is φ = 200000.

The previous prime is 250619. The next prime is 250643. The reversal of 250625 is 526052.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 26896 + 223729 = 164^2 + 473^2 .

It is not a de Polignac number, because 250625 - 2¹⁶ = 185089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250597 and 250606.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 425 + ... + 825.

2²⁵⁰⁶²⁵ is an apocalyptic number.

250625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250625 is a deficient number, since it is larger than the sum of its proper divisors (63337).

250625 is an frugal number, since it uses more digits than its factorization.

250625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 250625 is about 500.6246098625. The cubic root of 250625 is about 63.0485055186.

Adding to 250625 its reverse (526052), we get a palindrome (776677).

The spelling of 250625 in words is "two hundred fifty thousand, six hundred twenty-five".