250403 has 2 divisors, whose sum is σ = 250404. Its totient is φ = 250402.

The previous prime is 250361. The next prime is 250409. The reversal of 250403 is 304052.

250403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 250403 - 2⁸ = 250147 is a prime.

It is a Sophie Germain prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250403.

It is not a weakly prime, because it can be changed into another prime (250409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125201 + 125202.

It is an arithmetic number, because the mean of its divisors is an integer number (125202).

2²⁵⁰⁴⁰³ is an apocalyptic number.

250403 is a deficient number, since it is larger than the sum of its proper divisors (1).

250403 is an equidigital number, since it uses as much as digits as its factorization.

250403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 250403 is about 500.4028377218. The cubic root of 250403 is about 63.0298842012.

Adding to 250403 its reverse (304052), we get a palindrome (554455).

It can be divided in two parts, 2 and 50403, that added together give a palindrome (50405).

The spelling of 250403 in words is "two hundred fifty thousand, four hundred three".