250051 has 2 divisors, whose sum is σ = 250052. Its totient is φ = 250050.

The previous prime is 250049. The next prime is 250057. The reversal of 250051 is 150052.

250051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 250051 - 2¹ = 250049 is a prime.

Together with 250049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (250057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125025 + 125026.

It is an arithmetic number, because the mean of its divisors is an integer number (125026).

250051 is a Friedman number, since it can be written as 500^2+51, using all its digits and the basic arithmetic operations.

2²⁵⁰⁰⁵¹ is an apocalyptic number.

250051 is a deficient number, since it is larger than the sum of its proper divisors (1).

250051 is an equidigital number, since it uses as much as digits as its factorization.

250051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 250051 is about 500.0509973993. The cubic root of 250051 is about 63.0003359351. Note that the first 3 decimals are identical.

Subtracting from 250051 its reverse (150052), we obtain a palindrome (99999).

The spelling of 250051 in words is "two hundred fifty thousand, fifty-one".