250049 has 2 divisors, whose sum is σ = 250050. Its totient is φ = 250048.

The previous prime is 250043. The next prime is 250051. The reversal of 250049 is 940052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250000 + 49 = 500^2 + 7^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250049 is a prime.

Together with 250051, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 250049.

It is not a weakly prime, because it can be changed into another prime (250043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125024 + 125025.

It is an arithmetic number, because the mean of its divisors is an integer number (125025).

250049 is a Friedman number, since it can be written as 500^2+49, using all its digits and the basic arithmetic operations.

2²⁵⁰⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

250049 is a deficient number, since it is larger than the sum of its proper divisors (1).

250049 is an equidigital number, since it uses as much as digits as its factorization.

250049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 250049 is about 500.0489975992. The cubic root of 250049 is about 63.0001679680. Note that the first 3 decimals are identical.

It can be divided in two parts, 2500 and 49, that multiplied together give a square (122500 = 350²).

The spelling of 250049 in words is "two hundred fifty thousand, forty-nine".