2250403 has 2 divisors, whose sum is σ = 2250404. Its totient is φ = 2250402.

The previous prime is 2250401. The next prime is 2250419. The reversal of 2250403 is 3040522.

It is an a-pointer prime, because the next prime (2250419) can be obtained adding 2250403 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2250403 - 2¹ = 2250401 is a prime.

Together with 2250401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2250401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125201 + 1125202.

It is an arithmetic number, because the mean of its divisors is an integer number (1125202).

2^2250403 is an apocalyptic number.

2250403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2250403 is an equidigital number, since it uses as much as digits as its factorization.

2250403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2250403 is about 1500.1343273187. The cubic root of 2250403 is about 131.0448926418.

Adding to 2250403 its reverse (3040522), we get a palindrome (5290925).

The spelling of 2250403 in words is "two million, two hundred fifty thousand, four hundred three".