250013 has 2 divisors, whose sum is σ = 250014. Its totient is φ = 250012.

The previous prime is 250007. The next prime is 250027. The reversal of 250013 is 310052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232324 + 17689 = 482^2 + 133^2 .

It is a cyclic number.

It is not a de Polignac number, because 250013 - 2¹⁶ = 184477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 249976 and 250003.

It is a congruent number.

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, 125006 + 125007.

It is an arithmetic number, because the mean of its divisors is an integer number (125007).

250013 is a Friedman number, since it can be written as 500^2+13, using all its digits and the basic arithmetic operations.

2²⁵⁰⁰¹³ is an apocalyptic number.

It is an amenable number.

250013 is a deficient number, since it is larger than the sum of its proper divisors (1).

250013 is an equidigital number, since it uses as much as digits as its factorization.

250013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 250013 is about 500.0129998310. The cubic root of 250013 is about 62.9971444074.

Adding to 250013 its reverse (310052), we get a palindrome (560065).

The spelling of 250013 in words is "two hundred fifty thousand, thirteen".